Patent US2821070A successfully refreshed from Google Patents.
US2821070A
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Ice making machine and storing apparatus
Assignee: Individual
•
Filing: 1954-09-07
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Granted: 1958-01-28
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Expires: 1974-09-07
Abstract
No abstract record available.
Inventors
- 👤 John R Watt
- 👤 Raymond H Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:16
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/22; F25C1/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1966150A
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US2145773A
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US2422772A
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US2511582A
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US2542891A
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US2580627A
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US2633004A
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US2597008A
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US2639594A
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US2648956A
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US2595588A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |