US3419656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making solid solution carbide-graphite compositions
Assignee: United States Atomic Energy Commission
•
Filing: 1967-05-12
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Granted: 1968-12-31
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Expires: 1987-05-12
Abstract
No abstract record available.
Inventors
- 👤 Robert E Riley
- 👤 Keith V Davidson
- 👤 James M Taub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:06
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/64; C04B35/645; C01; C01B; C01B32/00; C01B32/90; C01B32/907; C04B35/515; C04B35/52; C04B35/522; C04B35/56; C04B35/5607; C01P; C01P2002/00; C01P2002/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124625A
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US1024257A
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US1838741A
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US3001238A
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US3054166A
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US3065088A
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US3224944A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |