Patent US2812381A successfully refreshed from Google Patents.
US2812381A
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Terminal connections for can-type condensers
Assignee: Sprague Electric Co
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Filing: 1951-06-26
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Granted: 1957-11-05
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Expires: 1971-06-26
Abstract
No abstract record available.
Inventors
- 👤 Harold V May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:48
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/228; H01G4/236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2281839A
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US2242784A
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US2304334A
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US2374084A
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US2456118A
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US2443545A
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US2602349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |