USPTO serial 78467333
PRESSURE EXCHANGER
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Aug 1, 2006
- Examiner
- CLARK, ROBERT C
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
This registration is in, or will soon enter, a USPTO maintenance window. Missing a Section 8 or Section 9 filing can cancel the registration.
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Owner
San Leandro, CA, US
San Leandro, CA, US
SAN LEANDRO, CA, US
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Jefferson F. Scher
Jefferson F. Scher Carr & Ferrell LLP411 Borel Avenue, Suite 603San Mateo, CA 94402United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 011 | Water treatment and purification equipment, namely, reverse osmosis filtration units for desalinating seawater and freshwater; water strainers and component parts therefor, and instruction manuals sold as a unit therewith | ACTIVE | Apr 30, 2000 |
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
| Date | Code | Event | What it means |
|---|---|---|---|
| Oct 8, 2026 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Oct 8, 2026 | RNL2 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Oct 8, 2026 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Oct 8, 2026 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Jul 27, 2026 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Aug 1, 2025 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Oct 13, 2016 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Oct 13, 2016 | RNL1 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Oct 13, 2016 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Oct 13, 2016 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Jul 29, 2016 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Aug 21, 2012 | NAS8 | NOTICE OF ACCEPTANCE OF SEC. 8 - MAILED | — |
| Aug 21, 2012 | 8.OK | REGISTERED - SEC. 8 (6-YR) ACCEPTED | The USPTO accepted your Section 8 declaration showing the mark is still in use in commerce (or excusable nonuse). This satisfies the six-year maintenance requirement and keeps the registration active until the next renewal deadline. |
| Aug 21, 2012 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Jul 31, 2012 | ES8R | TEAS SECTION 8 RECEIVED | — |
| Dec 14, 2011 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Jul 22, 2011 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Jul 22, 2011 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Jul 7, 2011 | 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. |
| Jul 7, 2011 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Mar 18, 2009 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Aug 1, 2006 | R.SR | REGISTERED-SUPPLEMENTAL REGISTER | Your mark is registered on the Supplemental Register, which is available for marks that are not yet distinctive enough for the Principal Register but can still identify a source. Protection is more limited than Principal Register registration but can later support a Principal Register application. |
| Jun 16, 2006 | PREV | LAW OFFICE PUBLICATION REVIEW COMPLETED | — |
| Jun 9, 2006 | ALIE | ASSIGNED TO LIE | — |
| Jun 1, 2006 | CNTA | APPROVED FOR REGISTRATION SUPPLEMENTAL REGISTER | — |
| May 11, 2006 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| May 1, 2006 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| May 1, 2006 | 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. |
| Feb 9, 2006 | GNFR | FINAL REFUSAL E-MAILED | A final Office Action (final refusal) means the examining attorney is maintaining at least one refusal and your options are narrower. You can file a response addressing the refusal, appeal to the Trademark Trial and Appeal Board, or let the application abandon. |
| Feb 9, 2006 | CNFR | FINAL REFUSAL WRITTEN | A final Office Action (final refusal) means the examining attorney is maintaining at least one refusal and your options are narrower. You can file a response addressing the refusal, appeal to the Trademark Trial and Appeal Board, or let the application abandon. |
| Jan 13, 2006 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Dec 28, 2005 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Dec 28, 2005 | 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. |
| Nov 18, 2005 | 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. |
| Nov 18, 2005 | 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. |
| Oct 27, 2005 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Oct 25, 2005 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Oct 25, 2005 | 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. |
| Oct 25, 2005 | PETG | PETITION TO REVIVE-GRANTED | — |
| Oct 25, 2005 | PROA | TEAS PETITION TO REVIVE RECEIVED | — |
| Oct 14, 2005 | MAB2 | ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND | The trademark application was abandoned because a required response or document was not filed by the deadline — usually a missed Office Action response. The application is dead unless a petition to revive is granted within a limited time. |
| Oct 14, 2005 | ABN2 | ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE | The trademark application was abandoned because a required response or document was not filed by the deadline — usually a missed Office Action response. The application is dead unless a petition to revive is granted within a limited time. |
| Mar 18, 2005 | 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. |
| Mar 18, 2005 | 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. |
| Mar 17, 2005 | DOCK | ASSIGNED TO EXAMINER | — |
| Aug 23, 2004 | NWAP | NEW APPLICATION ENTERED | — |