US3251389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for and method of comminuting a product
Assignee: Individual
•
Filing: 1964-09-17
•
Granted: 1966-05-17
•
Expires: 1984-09-17
Abstract
No abstract record available.
Inventors
- 👤 Joe R Urschel
- 👤 Edgar R Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:47
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A SUPPORTING STRUCTURE PROVIDED WITH A PLURALITY OF CIRCUMFERENTIALLY SPACED AXIALLY EXTENDING KNIVES DEFINING DISCHARGE OPENINGS THEREBETWEEN, EACH OF SAID KNIVES BEING PROVIDED WITH AN INNER LONGITUDINAL CUTTING EDGE GENERALLY CONSTITUTING A LINE CYLINDER, EACH OF SAID KNIVES ALSO BEING PROVIDED WITH AN INNER SURFACE OF WHICH IS DISPOSED SUBSTANTIALLY TANGENT TO SAID CYLINDER, MEANS CARRIED BY SAID SUPPORTING STRUCTURE AND SEPARATE FROM SAID KNIES FOR CLAMPING THE KNIVES IN PLACE, AND IMPELLER MEANS FOR DIRECTING A PRODUCT AGAINST SAID INNER SURFACES AND RELEASE THROUGH SAID DISCHARGE OPENINGS.
Claim 2
Independent Claim
45 words
A METHOD OF COMMINUTING A PRODUCT WHICH COMPRISES ROTATING THE PRODUCT ABOUT A VERTICAL AXIS AND GRIDING IT OUTWARDLY THEREFROM ON RADIAL PLANAR SURFACES FOR ENGAGEMENT WITH FIXED TANGENTIALLY DISPOSED SURFACES, DIRECTING SAID PRODUCT ALONG SAID TANGENTIAL SURFACES AND INTO ENGAGEMENT WITH ADJACENT CIRCUMFERENTIALLY SPACED
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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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |