US2482540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pedal actuated electric switch
Assignee: Siemens Energy and Automation Inc
•
Filing: 1946-11-29
•
Granted: 1949-09-20
•
Expires: 1966-11-29
Abstract
No abstract record available.
Inventors
- 👤 William C Furnas
- 👤 Edwin B Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:29
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1031191A
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US1390515A
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US1403222A
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US1644820A
Cited
US1706518A
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US1778097A
Cited
US2148872A
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US2335283A
Cited
US2313166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |