US1704943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatically-controlled power-actuated means
Assignee: Pines Winterfront Co
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Filing: 1920-12-20
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Granted: 1929-03-12
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Expires: 1940-12-20
Abstract
No abstract record available.
Inventors
- 👤 Frank J Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:37
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/10; F01P7/12; F01P7/14; F01P7/16; F01P7/167; F01P2070/00; F01P2070/04
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) | 1932-03-11 | 1932-09-10 | 1933-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-03-11 | 1936-09-10 | 1937-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-03-11 | 1940-09-10 | 1941-03-12 | $7700.00 | Window Closed / Lapsed |