Patent US3608142A successfully refreshed from Google Patents.
US3608142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cooling pellets severed from extruded plastic strands
Assignee: Baker Perkins Inc
•
Filing: 1968-07-10
•
Granted: 1971-09-28
•
Expires: 1988-07-10
Abstract
Abstract PELLETIZING APPARATUS INCLUDING A BARREL WITH A MIXER SHAFT THEREIN, A DIE WITH AXIALLY EXTENDING PORTS FOR EXTRUDING STRANDS OF PLASTIC OR OTHER EXTRUDABLE MATERIL THERETHROUGH, A ROTARY KNIFE ASSEMBLY WHICH CUTS THE STRANDS INTO PELLETS, AND A ROATING PELLET COLLECTING HOUSING TO WHICH LIQUID IS SUPPLIED IN A MANNER TO FORM A CENTRIFUGALLY MAINTAINED PELLET COLLECTING COOLANT ANNULUS MOVING AS A STREAM IN A SPIRAL PATH AWAY FROM THE DIE.
Inventors
- 👤 Richard W Miler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:20
CPC Classifications
B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/065
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |