US3547676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrolytic carbon structures and process for making same
Assignee: United States Atomic Energy Commission
•
Filing: 1966-02-15
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Granted: 1970-12-15
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Expires: 1986-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jack C Bokros
- 👤 Jack Chin
- 👤 Robert J Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:26
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C01; C01B; C01B32/00; C04; C04B; C04B41/00; C04B41/45; C04B41/50; C04B41/5001; G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/626; C01P; C01P2006/00; C01P2006/44; C04B2111/00; C04B2111/00474; C04B2111/00862; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3325363A
Cited
US3298921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |