US1991733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cooling liquid
Assignee: Foster Wheeler Inc
•
Filing: 1931-12-29
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Granted: 1935-02-19
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Expires: 1951-12-29
Abstract
No abstract record available.
Inventors
- 👤 Dean Dion Kanouse
- 👤 Holder Grover Cleveland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:50
CPC Classifications
A; A01; A01J; A01J9/00; A01J9/04; F; F25; F25D; F25D31/00
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) | 1938-02-18 | 1938-08-20 | 1939-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-02-18 | 1942-08-20 | 1943-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-02-18 | 1946-08-20 | 1947-02-19 | $7700.00 | Window Closed / Lapsed |