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Drawing for SIGMA

USPTO serial 87380893

SIGMA

Reviewed by CopyMark Law Group

Reg. 5662112Status 700Registered
Filing date
Status date
Registration date
Jan 22, 2019
Examiner
CARROLL, DORITT
Law office
Historical data usage

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.

Status 700: 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.

Need help with SIGMA?

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
Monitor this mark, or talk with CopyMark about this registration.
Trademark Monitoring
(312) 319-4460
Not the owner?
File a new U.S. trademark application, or speak with our attorneys.
Start a new application
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Owner

Attorney of record

The USPTO lists this attorney as the applicant's representative for correspondence on this application.

Alexis Crawford Douglas

Alexis Crawford Douglas K&L Gates LLPP.O. Box 1135Chicago, IL 60690-1135United States

Goods and services

ClassDescriptionStatusFirst use
011Hydrostatic mechanical shaft seals, being structural parts of nuclear reactors, for maintaining the pressure boundary in nuclear reactor coolant pumpsACTIVEJul 1, 2017

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.

Prosecution history

DateCodeEventWhat it means
Jun 13, 2026PRA8POST REGISTRATION ACTION MAILED - SEC. 8—
Nov 17, 2025APRECASE ASSIGNED TO POST REGISTRATION PARALEGAL—
Jul 15, 2025ES8RTEAS SECTION 8 RECEIVED—
Feb 7, 2024ASCKASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY—
Jan 22, 2024REM1COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED—
Jun 22, 2022ASCKASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY—
Jan 28, 2022CHANAPPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED—
Jan 28, 2022TCCATEAS CHANGE OF CORRESPONDENCE RECEIVED—
Jan 28, 2022ARAAATTORNEY/DOM.REP.REVOKED AND/OR APPOINTEDThis 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 28, 2022REAPTEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED—
Jan 28, 2022COARTEAS CHANGE OF OWNER ADDRESS RECEIVED—
Jan 20, 2020ARAAATTORNEY/DOM.REP.REVOKED AND/OR APPOINTEDThis 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 20, 2020REAPTEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED—
Jan 22, 2019R.PRREGISTERED-PRINCIPAL REGISTERYour 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.
Dec 20, 2018SUNANOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED—
Dec 19, 2018CNPRALLOWED PRINCIPAL REGISTER - SOU ACCEPTED—
Dec 19, 2018TEMETEAS/EMAIL CORRESPONDENCE ENTERED—
Dec 19, 2018CRFACORRESPONDENCE RECEIVED IN LAW OFFICE—
Dec 17, 2018ALIEASSIGNED TO LIE—
Dec 12, 2018TROATEAS RESPONSE TO OFFICE ACTION RECEIVEDThis 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.
Jun 18, 2018GNRNNOTIFICATION OF NON-FINAL ACTION E-MAILEDA 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 18, 2018GNRTNON-FINAL ACTION E-MAILEDA 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 18, 2018CNRTSU - NON-FINAL ACTION - WRITTENA 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.
May 29, 2018SUPCSTATEMENT OF USE PROCESSING COMPLETE—
May 29, 2018AITUCASE ASSIGNED TO INTENT TO USE PARALEGAL—
May 4, 2018IUAFUSE AMENDMENT FILED—
May 4, 2018EISUTEAS STATEMENT OF USE RECEIVEDThe 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.
Apr 10, 2018NOAMNOA E-MAILED - SOU REQUIRED FROM APPLICANTA 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.
Feb 13, 2018NPUBOFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED—
Feb 13, 2018PUBOPUBLISHED FOR OPPOSITIONYour 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.
Jan 24, 2018NONPNOTIFICATION OF NOTICE OF PUBLICATION E-MAILED—
Jan 3, 2018CNSAAPPROVED FOR PUB - PRINCIPAL REGISTER—
Jan 3, 2018XAECEXAMINER'S AMENDMENT ENTERED—
Jan 3, 2018GNENNOTIFICATION OF EXAMINERS AMENDMENT E-MAILED—
Jan 3, 2018GNEAEXAMINERS AMENDMENT E-MAILED—
Jan 3, 2018CNEAEXAMINERS AMENDMENT -WRITTEN—
Dec 9, 2017TEMETEAS/EMAIL CORRESPONDENCE ENTERED—
Dec 8, 2017CRFACORRESPONDENCE RECEIVED IN LAW OFFICE—
Dec 8, 2017TROATEAS RESPONSE TO OFFICE ACTION RECEIVEDThis 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.
Jun 12, 2017GNRNNOTIFICATION OF NON-FINAL ACTION E-MAILEDA 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 12, 2017GNRTNON-FINAL ACTION E-MAILEDA 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 12, 2017CNRTNON-FINAL ACTION WRITTENA 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 12, 2017DOCKASSIGNED TO EXAMINER—
Mar 27, 2017NWOSNEW APPLICATION OFFICE SUPPLIED DATA ENTERED—

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