Patent US3766098A successfully refreshed from Google Patents.
US3766098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage nonlinear resistors
Assignee: Panasonic Holdings Corp
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Filing: 1970-06-22
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Granted: 1973-10-16
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Expires: 1990-06-22
Abstract
Abstract A VOLTAGE NONLINEAR RESISTOR HAS A SINTERED WAFER OF, AS A MAJOR PART, ZINC OXIDE AND, AS AN ADDITIVE, IRON OXIDE AND ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF NICKEL OXIDE, TITANIUM OXIDE, MAGNESIUM OXIDE, MANGANESE OXIDE, CHROMIUM OXIDE, COBALT OXIDE, BARIUM OXIDE, STRONTIUM OXIDE, BERYLLIUM OXIDE, CADMIUM OXIDE AND LEAD FLUORIDE. A SILVER PAINT ELECTRODE IS APPLIED TO AT LEAST ONE OF THE OPPOSITE SURFACES OF SAID SINTERED WAFER.
Inventors
- 👤 T Masuyama
- 👤 T Nishi
- 👤 T Amemiya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:27
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/10; H01C7/105; H01C7/108; H01C7/112
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) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |