USPTO serial 72392377
DUO-CHEK
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Feb 1, 1972
- 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
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 026 | REFRACTOMETERS | ACTIVE | — |
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 AMERICAN OPTICAL CORPORATION
- Other trademarks owned by LEICA INC.
- Other trademarks owned by LEICA MICROSYSTEMS INC.
- Other trademarks owned by Reichert, Inc.
- Other trademarks in Class 026
- Similar marks named DUO-CHEK
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Apr 24, 2022 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Apr 23, 2022 | RNL4 | REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS) | — |
| Apr 23, 2022 | 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. |
| Apr 23, 2022 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Dec 27, 2021 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Feb 1, 2021 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Mar 11, 2018 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Mar 11, 2018 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Mar 11, 2018 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Mar 1, 2012 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| Mar 1, 2012 | 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. |
| Mar 1, 2012 | 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. |
| Feb 29, 2012 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Jan 30, 2012 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Oct 19, 2011 | ASCK | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | — |
| Sep 12, 2008 | CFIT | CASE FILE IN TICRS | — |
| Jun 7, 2007 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Feb 22, 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. |
| Feb 22, 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. |
| Dec 19, 2001 | 89AF | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED | — |
| Apr 8, 1992 | 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. |
| Dec 20, 1991 | 9.AF | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 | — |
| Mar 13, 1978 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |