Patent US3155672A successfully refreshed from Google Patents.
US3155672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-diphenylisomcotinamide
Assignee: —
•
Filing: —
•
Granted: 1964-11-03
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Expires: 1981-11-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:22
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/81
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2965646A
Cited
US2369776A
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US2310873A
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US2407412A
Cited
US2477491A
Cited
US2750391A
Cited
US2721203A
Cited
US2784141A
Cited
US2854379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |