Patent US3564650A successfully refreshed from Google Patents.
US3564650A
Expired / Lapsed
US
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Apparatus for extruding plastic strands and cutting them up into pellets
Assignee: Baker Perkins Inc
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Filing: 1967-12-06
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Granted: 1971-02-23
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Expires: 1987-12-06
Abstract
Abstract PELLETIZING APPARATUS, INCLUDING A BARREL WITH A RECIPROCATING AND ROTATING MIXER SHAFT THEREIN, AND DIE MEANS FOR EXTRUDING STRANDS OF PLASTIC MATERIAL THERETHROUGH, AND WHEREIN ROTARY KNIFE MEANS MOUNTED FOR RECIPROCATION WITH THE SHAFT CUTS THE STRANDS INTO PELLETS.
Inventors
- 👤 Henry F Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:58
CPC Classifications
B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/065; B01; B01J; B01J2/00; B01J2/20; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/395; B29C48/03; B29C48/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |