Patent US2293316A successfully refreshed from Google Patents.
US2293316A
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Method of and apparatus for controlling temperatures
Assignee: GEN AMERICAN PRECOOLING CORP
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Filing: 1936-06-29
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Granted: 1942-08-18
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Expires: 1956-06-29
Abstract
No abstract record available.
Inventors
- 👤 Harry Y Stebbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:58
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0072; B61D27/0081; F; F25; F25D; F25D15/00; F25D17/00; F25D17/04; F25D17/06
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) | 1945-08-17 | 1946-02-16 | 1946-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-17 | 1950-02-16 | 1950-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-17 | 1954-02-16 | 1954-08-18 | $7700.00 | Window Closed / Lapsed |