Patent US2919864A successfully refreshed from Google Patents.
US2919864A
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US
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Centrifugal pulverizer
Assignee: Individual
•
Filing: 1956-12-27
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Granted: 1960-01-05
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Expires: 1976-12-27
Abstract
No abstract record available.
Inventors
- 👤 Benjamin J Parmele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:01
CPC Classifications
B; B02; B02C; B02C19/00; B02C19/0012; B02C19/0018; B02C19/0031; B02C19/0037; B02C13/00; B02C13/20; B02C13/205; B02C19/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2580579A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |