US2488982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-button electric switch
Assignee: Schneider Electric USA Inc
•
Filing: 1946-03-29
•
Granted: 1949-11-22
•
Expires: 1966-03-29
Abstract
No abstract record available.
Inventors
- 👤 Earl F Mekelburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:33
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)
US1200460A
Cited
US1323716A
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US1636347A
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US2149226A
Cited
US2202207A
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US2357973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |