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US2475696A
Expired / Lapsed
US
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Push-button operated electric switch
Assignee: CONCORDIA ELECTRIC SAFETY LAMP
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Filing: 1946-10-24
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Granted: 1949-07-12
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Expires: 1966-10-24
Abstract
No abstract record available.
Inventors
- 👤 Cornish John Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:10
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01H13/04; H01H13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1132997A
Cited
GB238276A
Cited
US1961146A
Cited
US2086066A
Cited
US2190299A
Cited
FR817068A
Cited
FR818065A
Cited
US2192296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |