US3409402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of cubic silicon carbide
Assignee: General Electric Co
•
Filing: 1967-05-05
•
Granted: 1968-11-05
•
Expires: 1987-05-05
Abstract
No abstract record available.
Inventors
- 👤 Addamiano Arrigo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:58
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/90; C01B32/914; C01B32/956; C01B32/963; C01B32/97; C01B32/984; Y; Y10; Y10S; Y10S148/00; Y10S148/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA545408A
Cited
US3161473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |