US3544925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid-state electrical component with capacitance defeating resistor arrangement
Assignee: Vitramon Inc
•
Filing: 1968-11-29
•
Granted: 1970-12-01
•
Expires: 1988-11-29
Abstract
No abstract record available.
Inventors
- 👤 Robert Swart
- 👤 Irving Berlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:52
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/40; H05; H05K; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/0929; H05K2201/09309; H05K2201/10; H05K2201/10431; H05K2201/10439; H05K2201/10446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2131018A
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US2437212A
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GB715671A
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US2877389A
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US2940035A
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US3086150A
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US3235939A
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US3266121A
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US3264709A
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US3390012A
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US3223905A
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US3398326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |