US3542697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature sensitive conductive metal oxide modified vanadium dioxides
Assignee: EIDP Inc
•
Filing: 1968-06-06
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Granted: 1970-11-24
•
Expires: 1988-06-06
Abstract
No abstract record available.
Inventors
- 👤 Bertrand L Chamberland
- 👤 Donald B Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:59
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04; H01C7/042; H01C7/043; H01C7/047; H01B; H01B1/00; H01B1/06; H01B1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3402131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |