Legal Representation
Attorney
Li Zhu
USPTO Deadlines
Next Deadline
1875 days remaining
Section 8 & 9 (50-Year) Renewal Due (Based on registration date 1980-09-23)
Due Date
September 23, 2030
Grace Period Ends
March 23, 2031
Application History
35 events| Date | Code | Type | Description | Documents |
|---|---|---|---|---|
| Mar 3, 2022 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Mar 3, 2022 | EWAF | I | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | Loading... |
| Mar 3, 2022 | REAP | I | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | Loading... |
| Mar 3, 2022 | ARAA | I | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | Loading... |
| Jun 13, 2021 | NA89 | E | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | Loading... |
| Jun 13, 2021 | RNL3 | Q | REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS) | Loading... |
| Jun 13, 2021 | 89AG | O | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | Loading... |
| Jun 13, 2021 | APRE | A | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | Loading... |
| Mar 10, 2021 | E89R | I | TEAS SECTION 8 & 9 RECEIVED | Loading... |
| Sep 23, 2019 | REM2 | E | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | Loading... |
| Oct 24, 2018 | ARAA | I | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | Loading... |
| Oct 24, 2018 | REAP | I | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | Loading... |
| Oct 4, 2017 | ASCK | I | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | Loading... |
| Oct 4, 2017 | ASCK | I | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | Loading... |
| Sep 6, 2017 | ASGN | I | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | Loading... |
| Sep 7, 2016 | ASGN | I | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | Loading... |
| Nov 13, 2013 | ASGN | I | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | Loading... |
| Sep 28, 2012 | ARAA | I | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | Loading... |
| Sep 28, 2012 | REAP | I | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | Loading... |
| Aug 22, 2010 | 89AG | O | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | Loading... |
| Aug 22, 2010 | RNL2 | Q | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) | Loading... |
| Aug 19, 2010 | APRE | A | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | Loading... |
| Aug 11, 2010 | E89R | I | TEAS SECTION 8 & 9 RECEIVED | Loading... |
| Apr 27, 2009 | ARAA | I | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | Loading... |
| Apr 27, 2009 | REAP | I | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | Loading... |
| Feb 8, 2008 | CFIT | O | CASE FILE IN TICRS | Loading... |
| Mar 7, 2006 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Sep 23, 2005 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Apr 22, 2002 | TCCA | I | TEAS CHANGE OF CORRESPONDENCE RECEIVED | Loading... |
| Feb 24, 2001 | RNL1 | Q | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) | Loading... |
| Feb 24, 2001 | 89AG | O | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | Loading... |
| Sep 25, 2000 | 89AF | I | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | Loading... |
| Feb 27, 1986 | C15A | O | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | Loading... |
| Dec 16, 1985 | 815F | I | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED | Loading... |
| Sep 23, 1980 | R.PR | A | REGISTERED-PRINCIPAL REGISTER | Loading... |
Detailed Classifications
Class 007
Safety, Safety-Relief and Relief Valves
First Use Anywhere:
Oct 18, 1978
First Use in Commerce:
Oct 18, 1978
Classification
International Classes
007