US2533241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for comminuting and mixing materials
Assignee: Individual
•
Filing: 1946-06-12
•
Granted: 1950-12-12
•
Expires: 1966-06-12
Abstract
No abstract record available.
Inventors
- 👤 Goldman Bronislaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:47
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/95; B01F27/23; B01F27/232; B01F27/2324; B01F27/60; B01F27/61
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE48187C
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US400061A
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US441867A
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US576296A
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US844085A
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US1362948A
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US1512536A
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US1934970A
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GB508877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |