US2815411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch
Assignee: Oak Manufacturing Co
•
Filing: 1954-12-08
•
Granted: 1957-12-03
•
Expires: 1974-12-08
Abstract
No abstract record available.
Inventors
- 👤 Earl E Schwarzenbach
- 👤 James T Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:28
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/60; H01H19/62; G; G04; G04F; G04F3/00; G04F3/02; G04F3/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2424116A
Cited
US2565735A
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US2608082A
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US2530985A
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US2603725A
Cited
US2678095A
Cited
US2650286A
Cited
US2742538A
Cited
US2671841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |