Patent US1715650A successfully refreshed from Google Patents.
US1715650A
Expired / Lapsed
US
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Thermostatic control device
Assignee: Wilcolator Co
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Filing: 1926-05-28
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Granted: 1929-06-04
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Expires: 1946-05-28
Abstract
No abstract record available.
Inventors
- 👤 Edward L Fonseca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:33
CPC Classifications
F; F23; F23N; F23N1/00; F23N1/007; F23N2225/00; F23N2225/08; F23N2225/12; F23N2227/00; F23N2227/22; F23N2235/00; F23N2235/12; F23N2235/18; F23N2235/20; F23N5/00; F23N5/02; F23N5/04
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) | 1932-06-03 | 1932-12-03 | 1933-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-06-03 | 1936-12-03 | 1937-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-06-03 | 1940-12-03 | 1941-06-04 | $7700.00 | Window Closed / Lapsed |