Patent US2120201A successfully refreshed from Google Patents.
US2120201A
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US
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Combination liquid cooler and stirrer
Assignee: Fisk & Fisk Inc
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Filing: 1937-01-16
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Granted: 1938-06-07
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Expires: 1957-01-16
Abstract
No abstract record available.
Inventors
- 👤 Fisk David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:25
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/02; F25D3/06; F25D3/08; F25D2303/00; F25D2303/08; F25D2303/082; F25D2303/0822; F25D2303/08222; F25D2303/08223; F25D2331/00; F25D2331/80; F25D2331/808
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) | 1941-06-06 | 1941-12-06 | 1942-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-06 | 1945-12-06 | 1946-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-06 | 1949-12-06 | 1950-06-07 | $7700.00 | Window Closed / Lapsed |