US3475383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel resistant polyurethanes
Assignee: Goodrich Corp
•
Filing: 1967-06-22
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Granted: 1969-10-28
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Expires: 1987-06-22
Abstract
No abstract record available.
Inventors
- 👤 Floyd D Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:56
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3819; C08G18/384; C08G18/3802; C08G18/3804; C08G18/65; Y; Y10; Y10S; Y10S220/00; Y10S220/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2911390A
Cited
US2990379A
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US3219634A
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US3255131A
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US3244754A
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US3264233A
Cited
US3288863A
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US3375220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |