Patent US3409186A successfully refreshed from Google Patents.
US2865572A
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Comminuting cylinder with individual mounted cutting and shearing teeth
Assignee: Chicago Pump Co
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Filing: 1954-03-29
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Granted: 1958-12-23
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Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 William H Lannert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:36
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/0084; B02C18/0092; B02C18/06; B02C18/14; B02C18/145; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1934; Y10T407/1936; Y10T407/1952; Y10T407/1956
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |