USPTO serial 72291066
GAS
Reviewed by CopyMark Law Group
Reg. 0901904Status 900
- Filing date
- Status date
- Registration date
- Nov 3, 1970
- 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
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 100 | ANALYZING GAS AND GAS SYSTEMS BY MEANS OF MASS SPECTROMETRY AND GAS CHROMOTOGRAPHY AND THE DETECTION OF LEAKS IN GAS SYSTEMS | EXPIRED | — |
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 4, 1992 | EXRG | EXPIRED SEC. 9 | — |