Patent US3484658A successfully refreshed from Google Patents.
US3484658A
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US
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Temperature compensated semiconductor resistor
Assignee: NTT Inc
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Filing: 1967-08-21
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Granted: 1969-12-16
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Expires: 1987-08-21
Abstract
No abstract record available.
Inventors
- 👤 Ryosaku Komatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:28
CPC Classifications
H; H10; H10D; H10D1/00; H10D1/40; H10D1/43; H01; H01C; H01C7/00; H01C7/04; H10P; H10P95/00; Y; Y10; Y10S; Y10S257/00; Y10S257/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2648805A
Cited
US2756285A
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US2993998A
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US2940022A
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US3029366A
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US3248677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |