USPTO serial 72346824
CRYOFINING
Reviewed by CopyMark Law Group
Reg. 0935696Status 900
- Filing date
- Status date
- Registration date
- Jun 13, 1972
- 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 |
|---|---|---|---|
| 031 | LOW TEMPERATURE PROCESS EQUIPMENT FOR CRYOGENIC PURIFICATION OF INDUSTRIAL GASES COMPRISING HEAT EXCHANGERS, PHASE SEPARATORS, EXPANSION VALVES AND RELATED COMPONENTS WITHIN AN INSULATED ENCLOSURE | EXPIRED | Mar 5, 1968 |
Related trademarks
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Mar 22, 1993 | EXRG | EXPIRED SEC. 9 | — |
| Dec 19, 1977 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |