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US2585943A
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Impact rotor for stone breakers
Assignee: NELLIE H KESSLER
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Filing: 1949-01-27
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Granted: 1952-02-19
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Expires: 1969-01-27
Abstract
No abstract record available.
Inventors
- 👤 Lee H Kessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:14
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C13/28; B02C13/2804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1491416A
Cited
US2110850A
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GB456445A
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US2086383A
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US2223584A
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US2258075A
Cited
US2373691A
Cited
US2349960A
Cited
US2414591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |