Patent US2526992A successfully refreshed from Google Patents.
US2526992A
Expired / Lapsed
US
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Thermostatic switch
Assignee: AUTOMATIC PRODUCTS CO
•
Filing: 1946-02-08
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Granted: 1950-10-24
•
Expires: 1966-02-08
Abstract
No abstract record available.
Inventors
- 👤 William A Biermann
- 👤 Edward R Rack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:05
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2041566A
Cited
US2124089A
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US1639618A
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US1824114A
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US2162296A
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US2279305A
Cited
US2290944A
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US2244347A
Cited
US2332471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |