US3767597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature thermistor composition
Assignee: Panasonic Holdings Corp
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Filing: 1971-07-06
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Granted: 1973-10-23
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Expires: 1991-07-06
Abstract
Abstract A COMPOSITION FOR A HIGH TEMPERATURE THERMISTOR CONSISTS ESSENTIALLY OF 50,000 TO 99,995 MOLE PERCENT ZINC OXIDE AND ONE OXIDE SELECTED FROM THE GROUP CONSISTING OF LEAD OXIDE, ANTIMONY OXIDE AND BARIUM OXIDE.
Inventors
- 👤 T Masuyama
- 👤 M Matsuoka
- 👤 Y Iida
- 👤 M Matsuura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:22
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04; H01C7/042; H01C7/043; H01C7/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |