US3468852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyamide-acid amide-acid and polyimide-imide compositions
Assignee: General Electric Co
•
Filing: 1966-04-12
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Granted: 1969-09-23
•
Expires: 1986-04-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Flowers
- 👤 Thomas L Sherer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:14
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/1042; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/307; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3179614A
Cited
US3179635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |