US2764718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical condensers
Assignee: Sprague Electric Co
•
Filing: 1951-12-28
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Granted: 1956-09-25
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Expires: 1971-12-28
Abstract
No abstract record available.
Inventors
- 👤 David B Peck
- 👤 Robinson Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:46
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; H01B3/421; H01B3/422; H01B3/423; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/14; H01G4/18; H01G4/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
45 words
A PROCESS FOR PREPARING CAPACITORS, INCLUDING THE STEPS OF STACKING ELECTRODE LAYERS WITH INTERVENING DIELECTRIC LAYERS TO FORM A STACKED CAPACITOR ASSEMBLY IN WHICH BETWEEN EVERY PAIR OF ADJACENT ELECTRODE LAYERS THERE IS A LAYER OF PLANAR ORIENTED LINEAR POLYESTER CONFORMING TO THE RECURRENT FORMULA:
Claim 2
Dependent Claim
45 words
A PROCESS FOR PREPARING CAPACITORS, INCLUDING THE STEPS OF STACKING ELECTRODE LAYERS WITH INTERVENING DIELECTRIC LAYERS TO FORM A STACKED CAPACITOR ASSEMBLY IN WHICH BETWEEN EVERY PAIR OF ADJACENT ELECTRODE LAYERS THERE IS A LAYER OF PLANAR ORIENTED LINEAR POLYESTER CONFORMING TO THE RECURRENT FORMULA:
Claim 3
Dependent Claim
20 words
AN INTEGRAL STACKED CAPACITOR SECTION HAVING ELECTRODE LAYERS SEPARATED BY LAYERS OF ORIENTED POLYESTER RESIN CONFORMING TO THE RECURRENT FORMULA:
Claim 4
Dependent Claim
20 words
AN INTEGRAL STACKED CAPACITOR SECTION HAVING ELECTRODE LAYERS SEPARATED BY LAYERS OF ORIENTED POLYESTER RESIN CONFORMING TO THE RECURRENT FORMULA:
References Cited (Backward Citations)
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US2492166A
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US2497376A
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US2484215A
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US2619443A
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US2607825A
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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) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |