Patent US2145774A successfully refreshed from Google Patents.
US2145774A
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Apparatus for freezing ice
Assignee: Individual
•
Filing: 1934-04-05
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Granted: 1939-01-31
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Expires: 1954-04-05
Abstract
No abstract record available.
Inventors
- 👤 Muffly Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:42
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/12; F25C5/00; F25C5/02; F25C5/04; F25C5/08; F25C5/10; F25C2600/00; F25C2600/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562; Y10T137/7722; Y10T137/7837; Y10T137/7847
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) | 1942-01-30 | 1942-08-01 | 1943-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-30 | 1946-08-01 | 1947-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-30 | 1950-08-01 | 1951-01-31 | $7700.00 | Window Closed / Lapsed |