Patent US2332212A successfully refreshed from Google Patents.
US2332212A
Expired / Lapsed
US
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Thermostat
Assignee: Penn Electric Switch Co
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Filing: 1941-03-05
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Granted: 1943-10-19
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Expires: 1961-03-05
Abstract
No abstract record available.
Inventors
- 👤 Francis B Fillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:55
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0216; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/46; H01H37/48; H01H37/64; H01H37/66
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) | 1946-10-18 | 1947-04-19 | 1947-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-18 | 1951-04-19 | 1951-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-18 | 1955-04-19 | 1955-10-19 | $7700.00 | Window Closed / Lapsed |