US2542482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary beater, rock reducer, disintegrator, and mineral releasing machine with semiperforate drum and interior material lifting and impacted pockets
Assignee: Individual
•
Filing: 1947-12-10
•
Granted: 1951-02-20
•
Expires: 1967-12-10
Abstract
No abstract record available.
Inventors
- 👤 Harrod E Cully
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:39
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US104910A
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US843466A
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US910196A
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GB191009886A
Cited
US1118846A
Cited
US1418735A
Cited
US1431251A
Cited
US1713507A
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US1784983A
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US2108793A
Cited
US2199729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |