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US2674861A
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Device for fragmenting ice
Assignee: ALBERT M ZALKIND
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Filing: 1950-07-26
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Granted: 1954-04-13
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Expires: 1970-07-26
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Giordano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:13
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/22; F25C1/24; F25C1/246
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2348596A
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US2246145A
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US2261522A
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US2293362A
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US2216592A
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US2418434A
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US2259219A
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US2284820A
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US2516257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |