USPTO serial 98275456
KEYSTONE
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Oct 20, 2026
- Examiner
- MARSH, LAURA KATHLEEN
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
Status 700 means the trademark is registered and active on the Principal Register. You have nationwide rights for the listed goods and services and may use ®. Section 8 maintenance is due between years five and six. Calendar Section 8 between years five and six, and consider trademark monitoring.
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If you own this trademark, we can monitor new filings and help with USPTO deadlines. If you do not, we can file a new U.S. application.
Current trademark owner
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Not the owner?
File a new U.S. trademark application, or speak with our attorneys.
Owner
GENERAL DYNAMICS MISSION SYSTEMS, INC.
Chantilly, VA, US
Other trademarks owned by GENERAL DYNAMICS MISSION SYSTEMS, INC.
GENERAL DYNAMICS MISSION SYSTEMS, INC.
Chantilly, VA, US
Other trademarks owned by GENERAL DYNAMICS MISSION SYSTEMS, INC.
Boise, ID, US
Boise, ID, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Michael R. Justus
Michael R. Justus Carlton Fields, P.A.P.O. Box 3239Attn: IP Dept.Tampa, FL 33601Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 009 | computer processors being central processing units (CPU); computer processors being central processing units (CPU), namely, encrypted computer processors for use in computer security applications; computer hardware; computer hardware, namely, computer readable storage media and computer readable memory for use in computer security; secure computer readable media, namely, encrypted computer readable storage devices, encrypted computer readable memory media, and encrypted field programmable gate arrays (FPGA); encrypted computer hardware for use in military, critical infrastructure and other industrial applications; downloadable computer software, namely, locally installed encryption and decryption software for use on computer readable storage, computer readable memory, computer processors, and field programmable gate arrays (FPGA) for use in computer security applications; cryptography and other encryption and digital key management solutions for military applications in the nature of downloadable software for use in computer security applications; secure computer architectures being connected computer processing units (CPU), field programmable gate arrays (FPGA), application-specific integrated circuits (ASICs), and recorded computer firmware and software for use in computer security applications; | ACTIVE | Jul 31, 2022 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
- Other trademarks owned by GENERAL DYNAMICS MISSION SYSTEMS, INC.
- Other trademarks owned by GENERAL DYNAMICS MISSION SYSTEMS, INC.
- Other trademarks owned by Idaho Scientific LLC
- Other trademarks owned by Idaho Scientific LLC
- Other trademarks in Class 009
- Similar marks named KEYSTONE
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Oct 20, 2026 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Oct 20, 2026 | R.PR | REGISTERED-PRINCIPAL REGISTER | Your trademark is registered on the Principal Register — the strongest form of federal trademark protection. You may use the ® symbol for the covered goods and services. Maintenance filings (Section 8 and renewals) are required to keep the registration alive. |
| Oct 1, 2026 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Oct 1, 2026 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Sep 2, 2026 | GNRN | NOTIFICATION OF NON-FINAL ACTION E-MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Sep 2, 2026 | GNRT | NON-FINAL ACTION E-MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Sep 2, 2026 | CNRT | SU - NON-FINAL ACTION - WRITTEN | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Jul 29, 2026 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Jul 21, 2026 | AITU | CASE ASSIGNED TO INTENT TO USE PARALEGAL | — |
| May 14, 2026 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| May 13, 2026 | IUAF | USE AMENDMENT FILED | — |
| May 13, 2026 | EISU | TEAS STATEMENT OF USE RECEIVED | The applicant filed a Statement of Use with specimens showing the mark in actual commerce. The USPTO will review the filing for compliance. If accepted, the mark can proceed to registration; if deficient, the USPTO may issue a requirement or office action. |
| May 13, 2026 | EX3G | SOU EXTENSION 3 GRANTED | — |
| May 13, 2026 | EXT3 | SOU EXTENSION 3 FILED | — |
| May 13, 2026 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Apr 6, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Apr 6, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Apr 6, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Apr 1, 2026 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Jan 12, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jan 12, 2026 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Jan 12, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Jan 12, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Jan 12, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Dec 10, 2025 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Dec 9, 2025 | EX2G | SOU EXTENSION 2 GRANTED | — |
| Dec 9, 2025 | EXT2 | SOU EXTENSION 2 FILED | — |
| Dec 9, 2025 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Sep 15, 2025 | EXRA | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED | — |
| Jun 10, 2025 | EX1G | SOU EXTENSION 1 GRANTED | — |
| Jun 10, 2025 | EXT1 | SOU EXTENSION 1 FILED | — |
| Jun 10, 2025 | EEXT | SOU TEAS EXTENSION RECEIVED | The applicant requested more time to file a Statement of Use before the Notice of Allowance deadline. Each extension typically adds six months. A limited number of extensions are available for intent-to-use applications not yet in use. |
| Dec 17, 2024 | NOAM | NOA E-MAILED - SOU REQUIRED FROM APPLICANT | A Notice of Allowance means your intent-to-use application cleared examination and opposition but is not registered yet. You must file a Statement of Use showing the mark in commerce, or request an extension, before the deadline — usually six months from the notice date. |
| Nov 5, 2024 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Nov 5, 2024 | PUBO | PUBLISHED FOR OPPOSITION | Your mark was published in the USPTO Official Gazette for a 30-day opposition window. During that period, third parties who believe they would be harmed can file an opposition. If no opposition is filed, prosecution usually continues toward registration or a Notice of Allowance. |
| Oct 16, 2024 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Sep 27, 2024 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Sep 25, 2024 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Sep 25, 2024 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Sep 25, 2024 | TROA | TEAS RESPONSE TO OFFICE ACTION RECEIVED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Jul 8, 2024 | GNRN | NOTIFICATION OF NON-FINAL ACTION E-MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Jul 8, 2024 | GNRT | NON-FINAL ACTION E-MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Jul 8, 2024 | CNRT | NON-FINAL ACTION WRITTEN | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Jun 23, 2024 | DOCK | ASSIGNED TO EXAMINER | — |
| Dec 29, 2023 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Nov 21, 2023 | NWAP | NEW APPLICATION ENTERED | — |