Patent US3239720A successfully refreshed from Google Patents.
US3239720A
Expired / Lapsed
US
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Capacitor construction and mounting thereof
Assignee: Illinois Tool Works Inc
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Filing: 1964-04-21
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Granted: 1966-03-08
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Expires: 1984-04-21
Abstract
No abstract record available.
Inventors
- 👤 Charles C Rayburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:03
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/02; H01G2/06; H01G13/00; H01G13/006; H05; H05K; H05K3/00; H05K3/30; H05K3/306; H05K3/308; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A CONVOLUTELY ROLLED CAPACITOR COMPRISING ELECTRODE FOIL MEANS AND THERMOPLASTIC DIELECTRIC MEANS WOUND IN A COIL ON A WINDING AXIS TO PROVIDE SPACED END SURFACES, LEAD MEANS EMBEDDED IN EACH END SURFACE AND IN AN ELECTRICAL CONTACT WITH SAID ELECTRODE FOIL MEANS, EACH OF SAID LEAD MEANS BEING DISPOSED TRANSVERSELY TO SAID WINDING AXIS AND EXTENDING RADIALLY OUTWARDLY BEYOND THE CONFIGURATION OF EACH SAID END SURFACE IN DIFFERENT DIRECTIONS RELATIVE TO EACH OTHER, SUBSTANTIALLY ALL OF THOSE PORTIONS OF EACH OF SAID LEAD MEANS EXTENDING BEYOND THE CONFIGURATION OF EACH SAID END SURFACE BEING GENERALLY ALIGNED PARELLEL WITH SAID WINDING AXIS, BOTH OF SAID LEAD MEANS BEING OF SUFFICIENT LENGTH TO EXTEND BEYOND ONE PREDETERMINED END SURFACE OF SAID CAPACITOR.
Claim 2
Dependent Claim
120 words
A CONVOLUTELY ROLLED CAPACITOR COMPRISING ELECTRODE FOIL MEANS AND THERMOPLASTIC DIELECTRIC MEANS WOUND IN A COIL ON A WINDING AXIS TO PROVIDE SPACED END SURFACES, LEAD MEANS EMBEDDED IN EACH END SURFACE AND IN AN ELECTRICAL CONTACT WITH SAID ELECTRODE FOIL MEANS, EACH OF SAID LEAD MEANS BEING DISPOSED TRANSVERSELY TO SAID WINDING AXIS AND EXTENDING RADIALLY OUTWARDLY BEYOND THE CONFIGURATION OF EACH SAID END SURFACE IN DIFFERENT DIRECTIONS RELATIVE TO EACH OTHER, SUBSTANTIALLY ALL OF THOSE PORTIONS OF EACH OF SAID LEAD MEANS EXTENDING BEYOND THE CONFIGURATION OF EACH SAID END SURFACE BEING GENERALLY ALIGNED PARELLEL WITH SAID WINDING AXIS, BOTH OF SAID LEAD MEANS BEING OF SUFFICIENT LENGTH TO EXTEND BEYOND ONE PREDETERMINED END SURFACE OF SAID CAPACITOR.
References Cited (Backward Citations)
US2615946A
Cited
US2982883A
Cited
US3134059A
Cited
GB907596A
Cited
US3056939A
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US3162721A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |