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Patent US3456170A successfully refreshed from Google Patents.
US3456170A
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Capacitance-adjusted ceramic capacitor
Assignee: Sprague Electric Co
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Filing: 1967-06-20
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Granted: 1969-07-15
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Expires: 1987-06-20
Abstract
No abstract record available.
Inventors
- 👤 Warren E Hatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:55
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/255; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435; Y10T29/49; Y10T29/49002; Y10T29/49004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3330696A
Cited
US3004197A
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GB849510A
Cited
US3200326A
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US3237066A
Cited
US3244951A
Cited
US3310719A
Cited
US3394386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |