Patent US2925079A successfully refreshed from Google Patents.
US2925079A
Expired / Lapsed
US
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Ice breaking apparatus
Assignee: Conveyor Co
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Filing: 1957-05-02
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Granted: 1960-02-16
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Expires: 1977-05-02
Abstract
No abstract record available.
Inventors
- 👤 Walter E Saxe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:42
CPC Classifications
B; B02; B02C; B02C21/00; B02C21/02; F; F25; F25C; F25C5/00; F25C5/02; F25C5/04; F25C5/046; Y; Y10; Y10S; Y10S241/00; Y10S241/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2058727A
Cited
US2078379A
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US2100937A
Cited
US2097219A
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US2321125A
Cited
US2587872A
Cited
US2654358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |