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Patent US3366642A successfully refreshed from Google Patents.
US3366642A
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Tricyclodecenedimides and process for their production
Assignee: Chevron USA Inc
•
Filing: 1965-10-12
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Granted: 1968-01-30
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Expires: 1985-10-12
Abstract
No abstract record available.
Inventors
- 👤 Jerald S Bradshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:27
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/08; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4042; C08G73/00; C08G73/06; C08G73/10; C08G73/12; Y; Y10; Y10S; Y10S204/00; Y10S204/902; Y10S204/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2795589A
Cited
US3210374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |