US2631203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-button electric switch
Assignee: Schneider Electric USA Inc
•
Filing: 1949-02-21
•
Granted: 1953-03-10
•
Expires: 1969-02-21
Abstract
No abstract record available.
Inventors
- 👤 Earl F Mekelburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:17
CPC Classifications
H; H01; H01H; H01H25/00; H01H25/06; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20576; Y10T74/20636; Y10T74/20642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306141A
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US1695939A
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US1593386A
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US1889175A
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US1924975A
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US2308406A
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US2357971A
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US2488982A
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US2498614A
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US2452916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |