USPTO serial 73005376
BRINADD
Reviewed by CopyMark Law Group
Reg. 0997815Status 900
- Filing date
- Status date
- Registration date
- Nov 12, 1974
- 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 |
|---|---|---|---|
| 001 | WELLBORE FLUID ADDITIVES USED TO PREVENT LOST CIRCULATION AND TO CONTROL FLUID LOSS, VISCOSITY, DENSITY AND OTHER PROPERTIES OF WELLBORE FLUIDS | EXPIRED | Dec 11, 1967 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Aug 21, 1995 | EXRG | EXPIRED SEC. 9 | — |
| Sep 16, 1980 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |