US3080327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary salts as denaturants for organic substances
Assignee: T & H Smith Ltd
•
Filing: 1960-11-15
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Granted: 1963-03-05
•
Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 Hay Jessie Evelyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:29
CPC Classifications
C; C12; C12F; C12F5/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
ETHYL ALCOHOL WHICH HAS BEEN DENATURED BY THE INCORPORATION THEREIN OF FROM ABOUT 0.001% TO .01% BY WEIGHT OF A QUATERNARY ORGANIC CARBOXYLATE REPRESENTED BY ONE OF THE TWO FOLLOWING FORMULAE:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |