Patent US1976716A successfully refreshed from Google Patents.
US1976716A
Expired / Lapsed
US
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Organic compositions of matter and uses therefor
Assignee: Individual
•
Filing: 1930-03-03
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Granted: 1934-10-16
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Expires: 1950-03-03
Abstract
No abstract record available.
Inventors
- 👤 Warren A Custer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:23
CPC Classifications
C; C10; C10M; C10M3/00; C10M2203/00; C10M2203/06; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/284; C10M2207/285; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/12; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/20; C10M2215/24; C10M2215/26; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/047; C10N; C10N2010/00; C10N2010/06; C10N2010/08; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-10-15 | 1938-04-16 | 1938-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-10-15 | 1942-04-16 | 1942-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-10-15 | 1946-04-16 | 1946-10-16 | $7700.00 | Window Closed / Lapsed |