USPTO serial 72210371
SULFOTHERM
Reviewed by CopyMark Law Group
Reg. 0807239Status 900
- Filing date
- Status date
- Registration date
- Apr 19, 1966
- Examiner
- —
- Law office
- FILE REPOSITORY (FRANCONIA)
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 |
|---|---|---|---|
| 026 | APPARATUS, INSTRUMENTS AND DEVICES FOR DETECTING SULPHURTRIOXIDE IN INDUSTRIAL WASTE GASES, AND APPARATUS, INSTRUMENTS AND DEVICES FOR MEASURING THE SULPHURTRIOXIDE CONTENT OF INDUSTRIAL FLUE OR OTHER WASTE GASES | EXPIRED | Dec 30, 1964 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jan 11, 1989 | EXRG | EXPIRED SEC. 9 | — |