Patent US4405316A successfully refreshed from Google Patents.
US2876375A
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Assignee: Westinghouse Electric Corp
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Filing: 1953-08-26
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Granted: 1959-03-03
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Expires: 1973-08-26
Abstract
No abstract record available.
Inventors
- 👤 Charles R Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:14
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/26; F; F21; F21S; F21S41/00; F21S41/10; F21S41/14; F21S41/162; F21S41/168; F21S41/30; F21S41/32; F21S41/321; F21S41/40; F21S41/43; F21S41/435
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1323963A
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US1621360A
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US1743793A
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US1751070A
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US2112411A
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US2199014A
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US2305818A
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US2744209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |