USPTO serial 73008434
DURATUBE
Reviewed by CopyMark Law Group
Reg. 1002006Status 900
- Filing date
- Status date
- Registration date
- Jan 21, 1975
- Examiner
- —
- Law office
- —
What this means
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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Owner
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 011 | MEMBRANE FILTERS | EXPIRED | May 2, 1973 |
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 30, 1995 | EXRG | EXPIRED SEC. 9 | — |
| Mar 23, 1981 | 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. |