Patent US4624749A successfully refreshed from Google Patents.
Patent US2073529A successfully refreshed from Google Patents.
US2073529A
Expired / Lapsed
US
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Electric switch
Assignee: General Electric Co
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Filing: 1935-11-15
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Granted: 1937-03-09
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Expires: 1955-11-15
Abstract
No abstract record available.
Inventors
- 👤 Robert F Sambleson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:17
CPC Classifications
B; B60; B60B; B60B25/00; B60B25/04; B60B25/08; H; H01; H01H; H01H19/00; H01H19/64; H01H29/00; H01H29/20; H01H29/24; Y; Y10; Y10T; Y10T403/00; Y10T403/47; Y10T403/477
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-03-08 | 1940-09-07 | 1941-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-08 | 1944-09-07 | 1945-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-08 | 1948-09-07 | 1949-03-09 | $7700.00 | Window Closed / Lapsed |