US3255395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic capacitor
Assignee: Sprague Electric Co
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Filing: 1963-05-13
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Granted: 1966-06-07
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Expires: 1983-05-13
Abstract
No abstract record available.
Inventors
- 👤 John H Fabricius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:09
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/12; C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/468; C04B35/4682; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/1209; H01G4/1218; H01G4/1227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN ELECTRICAL CAPACITOR COMPRISING A FIRED DISC OF A BARIUM TITANAE, SAID BARIUM TITANATE HAVING A GRAIN SIZE OF LESS THAN 20 MICRONS, COOPERATING ELECTRODES FIREDON SAID DISC, LEAD-WIRES AFFIXED TO SAID ELECTRODES AND A RADIALLY COMPRESSIVE FORCE-EXERTING JACKET ABOUT THE CAPACITOR, SAID JACKET BEING OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF A THERMOSETTING COMPOSITION AND A GLASS COMPOSITION EACH HAVING A COEFFICIENT OF THERMAL CONTRACTION GREATER THAN SAID TITANATE.
Claim 2
Dependent Claim
72 words
AN ELECTRICAL CAPACITOR COMPRISING A FIRED DISC OF A BARIUM TITANAE, SAID BARIUM TITANATE HAVING A GRAIN SIZE OF LESS THAN 20 MICRONS, COOPERATING ELECTRODES FIREDON SAID DISC, LEAD-WIRES AFFIXED TO SAID ELECTRODES AND A RADIALLY COMPRESSIVE FORCE-EXERTING JACKET ABOUT THE CAPACITOR, SAID JACKET BEING OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF A THERMOSETTING COMPOSITION AND A GLASS COMPOSITION EACH HAVING A COEFFICIENT OF THERMAL CONTRACTION GREATER THAN SAID TITANATE.
References Cited (Backward Citations)
US2606955A
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US2706798A
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US2972180A
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US3114868A
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US3144318A
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US3157835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |