USPTO serial 72338911
HYDRO-CLEAR
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Nov 16, 1971
- Examiner
- —
- Law office
- GENERIC WEB UPDATE
What this means
Status 800 means the registration was renewed after acceptable combined Section 8 and Section 9 filings. The mark remains registered for another 10-year term with active federal protection. Calendar the next Section 8 and 9 deadline in 10 years and maintain monitoring.
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Owner
AVON LAKE, OH
ZIMPRO PASSAVANT ENVIROMENTAL SYSTEMS, INC.
MILWAUKEE, WI
Other trademarks owned by ZIMPRO PASSAVANT ENVIROMENTAL SYSTEMS, INC.
LOWELL, MA
ROTHSCHILD, WI
ALPHARETTA, GA
SIEMENS WATER TECHNOLOGIES LLC
ALPHARETTA, GA
Tewksbury, MA
SIEMENS WATER TECHNOLOGIES HOLDING CORP.
WARRENDALE, PA
Other trademarks owned by SIEMENS WATER TECHNOLOGIES HOLDING CORP.
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Gary C. Ganzi
Gary C. Ganzi Lando & Anastasi LLP60 State Street23rd FloorBoston, MA 02109Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 031 | TERTIARY SEWAGE TREATMENT APPARATUS FOR SAND FILTERING SOLIDS FROM EFFLUENTS FOLLOWING PRIMARY AND SECONDARY TREATMENT | ACTIVE | Aug 5, 1969 |
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 HYDRO-CLEAR CORPORATION
- Other trademarks owned by ZIMPRO PASSAVANT ENVIROMENTAL SYSTEMS, INC.
- Other trademarks owned by USFILTER CORPORATION
- Other trademarks owned by U.S. FILTER/ZIMPRO, INC.
- Other trademarks owned by SIEMENS INDUSTRY, INC.
- Other trademarks owned by SIEMENS WATER TECHNOLOGIES LLC
- Other trademarks owned by EVOQUA WATER TECHNOLOGIES LLC
- Other trademarks owned by SIEMENS WATER TECHNOLOGIES HOLDING CORP.
- Other trademarks in Class 031
- Similar marks named HYDRO-CLEAR
- Recently changed USPTO trademarks
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- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 10, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Nov 10, 2025 | 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. |
| Nov 10, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Nov 10, 2025 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Nov 10, 2025 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Apr 8, 2024 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Apr 8, 2024 | 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. |
| Apr 8, 2024 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Feb 17, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Feb 17, 2022 | 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. |
| Feb 17, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 12, 2021 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Apr 14, 2021 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Mar 25, 2021 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Mar 25, 2021 | RNL4 | REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS) | — |
| Mar 25, 2021 | 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. |
| Mar 1, 2021 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Nov 19, 2020 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Nov 16, 2020 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Mar 25, 2014 | 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. |
| Mar 25, 2014 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Feb 26, 2014 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Feb 5, 2014 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Jan 15, 2014 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Aug 12, 2011 | RNL3 | REGISTERED AND RENEWED (THIRD 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. |
| Aug 12, 2011 | 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. |
| Aug 11, 2011 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Apr 27, 2011 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Sep 10, 2008 | CFIT | CASE FILE IN TICRS | — |
| Apr 11, 2007 | ASGN | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | — |
| Jan 24, 2002 | 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. |
| Jan 24, 2002 | 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. |
| Nov 19, 2001 | 89AF | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | — |
| Nov 26, 1991 | 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 15, 1991 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |
| Nov 7, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |