US3553544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacked capacitor
Assignee: Sprague Electric Co
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Filing: 1969-09-16
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Granted: 1971-01-05
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Expires: 1989-09-16
Abstract
Abstract T-SHAPED PLANAER ELECTRODES ARE STACKED IN A CAPACITOR UNIT WITH INTERPOSED DIELECTRIC SPACERS. ALTERNATE ELECTRODES ARE REVERSED AND OPPOSITELY DISPOSED IN THE STACK SUCH THAT THEIR T-WINGS ARE LATERALLY SPACED AND LONGITUDINALLY EXTENDED AT THE ENDS OF THE UNIT, PERMITTING DIRECT CONNECTION TO A HEAVY FEED-THRU TERMINAL LOCATED MID-WAY IN THE STACK WITHIN EACH OF THE T-WINGS AND RUNNING ITS LENGTH.
Inventors
- 👤 Henry F Puppolo
- 👤 Mark Markarian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:04
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/08; H01G4/00; H01G4/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |