Patent US2646934A successfully refreshed from Google Patents.
US2646934A
Expired / Lapsed
US
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Hammer mill and blower arrangement
Assignee: Individual
•
Filing: 1951-12-14
•
Granted: 1953-07-28
•
Expires: 1971-12-14
Abstract
No abstract record available.
Inventors
- 👤 Bela T Sandor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:57
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C13/288; Y; Y10; Y10S; Y10S241/00; Y10S241/604
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1446221A
Cited
US1713957A
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US2068383A
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US2184123A
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US2403638A
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US2505023A
Cited
US2439014A
Cited
US2494705A
Cited
US2557344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |