US3307501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pellet mill
Assignee: Wenger Manufacturing LLC
•
Filing: 1965-07-13
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Granted: 1967-03-07
•
Expires: 1985-07-13
Abstract
No abstract record available.
Inventors
- 👤 Clyde W Wenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:42
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/20; B30B11/201; B30B11/005; Y; Y10; Y10S; Y10S425/00; Y10S425/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A PELLET MILL: A ROTATABLE SHAFT; POWER MEANS COUPLED WITH SAID SHAFT FOR DRIVING THE LATTER; A SLEEVE TELESCOPED OVER SAID SHAFT AND ROTATABLE WITH RESPECT THERETO; AN EXTRUSION HEAD HAVING A PERFORATED, ANNULAR DIE CARRIED BY SAID SLEEVE AND ROTATABLE THEREWITH, AND A ROLLER ASSEMBLY WITHIN SAID DIE AND COUPLED WITH SAID SHAFT FOR ROTATION THEREBY; MEANS OPERABLY ASSOCIATED WITH SAID HEAD FOR DIRECTING MATERIAL TO BE PELLETED INTO SAID DIE, WHEREBY THE DIE IS DRIVEN BY THE ROLLER ASSEMBLY BY FRICTION OF SAID MATERIAL BETWEEN THE ASSEMBLY AND THE DIE; AND MEANS COUPLED WITH SAID SLEEVE FOR CONTROLLING THE SPEED OF ROTATION THEREOF AND HENCE THE SPEED OF THE DIE, WHEREBY A DESIRED DIFFERENCE IN THE SPEEDS OF ROTATION OF THE DIE AND THE ROLLER ASSEMBLY MAY BE MAINTAINED DURING THE PELLETING OPERATION.
Claim 2
Dependent Claim
136 words
IN A PELLET MILL: A ROTATABLE SHAFT; POWER MEANS COUPLED WITH SAID SHAFT FOR DRIVING THE LATTER; A SLEEVE TELESCOPED OVER SAID SHAFT AND ROTATABLE WITH RESPECT THERETO; AN EXTRUSION HEAD HAVING A PERFORATED, ANNULAR DIE CARRIED BY SAID SLEEVE AND ROTATABLE THEREWITH, AND A ROLLER ASSEMBLY WITHIN SAID DIE AND COUPLED WITH SAID SHAFT FOR ROTATION THEREBY; MEANS OPERABLY ASSOCIATED WITH SAID HEAD FOR DIRECTING MATERIAL TO BE PELLETED INTO SAID DIE, WHEREBY THE DIE IS DRIVEN BY THE ROLLER ASSEMBLY BY FRICTION OF SAID MATERIAL BETWEEN THE ASSEMBLY AND THE DIE; AND MEANS COUPLED WITH SAID SLEEVE FOR CONTROLLING THE SPEED OF ROTATION THEREOF AND HENCE THE SPEED OF THE DIE, WHEREBY A DESIRED DIFFERENCE IN THE SPEEDS OF ROTATION OF THE DIE AND THE ROLLER ASSEMBLY MAY BE MAINTAINED DURING THE PELLETING OPERATION.
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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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |