US2609995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal mill
Assignee: Individual
•
Filing: 1949-05-07
•
Granted: 1952-09-09
•
Expires: 1969-05-07
Abstract
No abstract record available.
Inventors
- 👤 Klagsbrunn Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:29
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/10; B02C13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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AT100792B
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US1424225A
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US1621571A
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US1777205A
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US1772974A
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AT154576B
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FR842939A
Cited
US2233728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |