US3481780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the densification of zirconia
Assignee: General Electric Co
•
Filing: 1966-12-01
•
Granted: 1969-12-02
•
Expires: 1986-12-01
Abstract
No abstract record available.
Inventors
- 👤 Stephan P Mitoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:54
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/10; H01M8/12; H01M8/124; H01M8/1246; H01M8/1253; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3404039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |