US1944115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerant control for ice machines
Assignee: Frick Co Inc
•
Filing: 1930-05-24
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Granted: 1934-01-16
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Expires: 1950-05-24
Abstract
No abstract record available.
Inventors
- 👤 Norman M Small
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:27
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/30; F25B41/31; F25B41/315; F25B2341/00; F25B2341/001; F25B2341/0012; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3068; Y10T137/3074; Y10T137/7287; Y10T137/7358; Y10T137/7407
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) | 1937-01-15 | 1937-07-17 | 1938-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-15 | 1941-07-17 | 1942-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-15 | 1945-07-17 | 1946-01-16 | $7700.00 | Window Closed / Lapsed |