US3408311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermistor compositions and thermistors made therefrom
Assignee: EIDP Inc
•
Filing: 1966-09-29
•
Granted: 1968-10-29
•
Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 Oliver A Short
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:31
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04; H01C17/00; H01C17/06; H01C17/065; H01C17/06506; H01C17/06513; H01C17/06553
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2720573A
Cited
US2924540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |