US3463748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of curing polyurethanes with diamine-ketone mixtures treated with anhydrous drying compounds
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1967-01-30
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Granted: 1969-08-26
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Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 Anthony S Scheibelhoffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:04
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/088; C08G18/0885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2929800A
Cited
US2871226A
Cited
US2833740A
Cited
GB1002520A
Cited
US3377308A
Cited
US3281396A
Cited
US3267078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |