US3462340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber-containing pyrolytic composite material
Assignee: United States Department of the Air Force
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Filing: 1965-07-28
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Granted: 1969-08-19
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Expires: 1985-07-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Hough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:33
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/52; C04B35/522; C04B35/56; C04B35/565; C04B35/5805; C04B35/71; C04B35/78; C04B35/80; C04B35/83; Y; Y10; Y10S; Y10S264/00; Y10S264/19; Y10S428/00; Y10S428/903; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24124; Y10T428/24132; Y10T428/30; Y10T442/00; Y10T442/60; Y10T442/696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |