US2441613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for pulverizing and processing materials
Assignee: Individual
•
Filing: 1943-01-04
•
Granted: 1948-05-18
•
Expires: 1963-01-04
Abstract
No abstract record available.
Inventors
- 👤 Balassa Ladislaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:15
CPC Classifications
B; B01; B01J; B01J6/00; B01J2/00; B01J2/16; B02; B02C; B02C19/00; B02C19/06; B02C19/061; F; F26; F26B; F26B17/00; F26B17/10; F26B17/107; F26B17/24; F26B3/00; F26B3/02; F26B3/10; F26B3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US729009A
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US729008A
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US1328446A
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US1840857A
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US2055385A
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US2032827A
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GB469068A
Cited
US2163762A
Cited
US2184300A
Cited
US2257907A
Cited
US2306462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |