USPTO serial 72263228
SGN
Reviewed by CopyMark Law Group
Reg. 0862381Status 900
- Filing date
- Status date
- Registration date
- Dec 24, 1968
- Examiner
- —
- Law office
- FILE DESTROYED
What this means
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Owner
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 031 | FILTERS AND FILTER HOUSINGS FOR FILTRATION OF GASES, WITH PARTICULAR RELATION TO THE FILTRATION OF GASES FROM NUCLEAR PROCESSES, AND TO PREVENTION OF AIR POLLUTION BY INDUSTRIAL PROCESSES | EXPIRED | Oct 1, 1965 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Nov 3, 1992 | EXRG | EXPIRED SEC. 9 | — |