Patent US2805291A successfully refreshed from Google Patents.
US2805291A
Expired / Lapsed
US
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Electric switch
Assignee: Oak Manufacturing Co
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Filing: 1955-05-20
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Granted: 1957-09-03
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Expires: 1975-05-20
Abstract
No abstract record available.
Inventors
- 👤 Melvin F Eickhorst
- 👤 Edward J Mastney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:17
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58; H01H1/00; H01H1/12; H01H1/14; H01H1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US734438A
Cited
US1254331A
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US1624374A
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FR916979A
Cited
US2549998A
Cited
US2513953A
Cited
US2570960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |