Patent US3333169A successfully refreshed from Google Patents.
US3333169A
Expired / Lapsed
US
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Electrical capacitor with a linear p-xylylene polymer dielectric
Assignee: Union Carbide Corp
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Filing: 1966-05-18
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Granted: 1967-07-25
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Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 David J Valley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:50
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01B; H01B3/00; H01B3/18; H01B3/30; H01G4/06; H01G4/14; H01G4/18; H01G4/186; H01G4/203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
AN IMPROVED WOUND CAPACITOR COMPRISING A ROLL OF WOUND METAL FOIL ELECTRODES AND DIELECTRIC SPACERS INTERLEAVED THEREWITH, THE DIELECTRIC SPACER COMPRISING A LAYER OF POROUS MATERIAL COATED WITH A UNIFORM, CONTINUOUS COATING OF LINEAR P-XYLYLENE POLYMER.
Claim 2
Dependent Claim
36 words
AN IMPROVED WOUND CAPACITOR COMPRISING A ROLL OF WOUND METAL FOIL ELECTRODES AND DIELECTRIC SPACERS INTERLEAVED THEREWITH, THE DIELECTRIC SPACER COMPRISING A LAYER OF POROUS MATERIAL COATED WITH A UNIFORM, CONTINUOUS COATING OF LINEAR P-XYLYLENE POLYMER.
References Cited (Backward Citations)
US2785090A
Cited
US3202892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |