US2801990A
Expired / Lapsed
US
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Synthetic elastomeric isocyanate modified polymers and method for their preparation
Assignee: Goodyear Tire and Rubber Co
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Filing: 1952-11-12
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Granted: 1957-08-06
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Expires: 1972-11-12
Abstract
No abstract record available.
Inventors
- 👤 Nelson V Seeger
- 👤 Thomas G Mastin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/80; C08G18/8061; C08G18/08; C08G18/10; C08G2380/00; C08G2390/00; C08G2410/00; Y; Y10; Y10S; Y10S528/00; Y10S528/906; Y10S8/00; Y10S8/04; Y10S8/11; Y10S8/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2683727A
Cited
US2683729A
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US2698845A
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US2625532A
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US2683728A
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US2625535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |