US3446779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Product of catalyzing polyurethane formation by means of 2-mercapto-benzothiazoles,thiazoles,oxazoles,imidazoles and imidazolines
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1964-09-01
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Granted: 1969-05-27
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Expires: 1984-09-01
Abstract
No abstract record available.
Inventors
- 👤 Anthony F Finelli
- 👤 Charles A Suter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:34
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/77; C08G18/08; C08G18/16; C08G18/166; C08G18/168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB701712A
Cited
US2764592A
Cited
GB767017A
Cited
GB773991A
Cited
US2917489A
Cited
US3235518A
Cited
US2944998A
Cited
US3177223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |