Patent US3795659A successfully refreshed from Google Patents.
US3795659A
Expired / Lapsed
US
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Curing of epoxide compositions containing enamines
Assignee: 3M Co
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Filing: 1972-09-08
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Granted: 1974-03-05
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Expires: 1992-09-08
Abstract
Abstract AN ANHYDROUS, CURABLE EPOXIDE COMPOSITION CONTAINING AN ENAMINE AS A LATENT CURING AGENT.
Inventors
- 👤 G Renwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:14
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50
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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |