US2598429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method of rapid production and harvesting of ice
Assignee: Individual
•
Filing: 1948-07-03
•
Granted: 1952-05-27
•
Expires: 1968-07-03
Abstract
No abstract record available.
Inventors
- 👤 George L Pownall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:27
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/04; F25C1/06; F25C5/00; F25C5/02; F25C5/04; F25C5/08; F25C5/10; Y; Y10; Y10S; Y10S241/00; Y10S241/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1267795A
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US1804603A
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US1934371A
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US2200424A
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US2288003A
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US2280320A
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US2397347A
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US2393387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |