Patent US3523915A successfully refreshed from Google Patents.
US3523915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive ceramic material and method of preparation
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
•
Filing: 1967-03-15
•
Granted: 1970-08-11
•
Expires: 1987-03-15
Abstract
No abstract record available.
Inventors
- 👤 Anne Marie Anthony
- 👤 David Yerouchalmi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:06
CPC Classifications
H; H02; H02K; H02K44/00; H02K44/08; H02K44/10; C; C04; C04B; C04B35/00; C04B35/01; C04B35/48; C04B35/71; H01; H01B; H01B1/00; H01B1/06; H01B1/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |