USPTO serial 71577991
PNEUMASTAT
Reviewed by CopyMark Law Group
Reg. 0541387Status 900
- Filing date
- Status date
- Registration date
- Apr 24, 1951
- Examiner
- —
- Law office
- FILE DESTROYED
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
WEST CHESTER, PA
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 023 | GOVERNORS FOR REGULATING THE SPEED OF ENGINE-DRIVEN COMPRESSORS IN ACCORDANCE WITH DELIVERED PRESSURE | EXPIRED | Apr 5, 1949 |
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 |
|---|---|---|---|
| Nov 3, 1992 | EXRG | EXPIRED SEC. 9 | — |
| Apr 24, 1971 | REN1 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) | — |