Patent US2274779A successfully refreshed from Google Patents.
US2854533A
Expired / Lapsed
US
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Electrical switches
Assignee: Controls Company of America
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Filing: 1956-01-23
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Granted: 1958-09-30
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Expires: 1976-01-23
Abstract
No abstract record available.
Inventors
- 👤 Lancey Ralph W De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:15
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/60; H01H19/62; F; F23; F23N; F23N5/00; F23N5/22; H01H1/00; H01H1/12; H01H1/14; H01H1/24; H01H1/26; H01H1/28; H01H43/00; H01H43/10; H01H43/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22131E
Cited
US1961778A
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US2091161A
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US2103792A
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US2190682A
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US2576836A
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US2670039A
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US2748204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |