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Patent US3099681A successfully refreshed from Google Patents.
US3099681A
Expired / Lapsed
US
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5-lower acylamino 1-naphthyl n-methylcarbamates
Assignee: Union Carbide Corp
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Filing: 1960-12-30
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Granted: 1963-07-30
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 John R Kilsheimer
- 👤 Herbert H Moorefield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:24
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE COMPOUNDS HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
6 words
THE COMPOUNDS HAVING THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
CA578169A
Cited
US2493710A
Cited
US2776197A
Cited
US2904465A
Cited
US2904464A
Cited
US2903478A
Cited
US3037993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |