US3287764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic pelletizers
Assignee: Black Clawson Co
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Filing: 1965-06-01
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Granted: 1966-11-29
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Jr James L Swickard
- 👤 Harvey H Gove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:24
CPC Classifications
B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/065; B29B7/00; B29B7/30; B29B7/58; B29B7/582; B29B7/80; B29B7/82; B29B7/826; B29C; B29C48/00; B29C48/25; B29C48/78; B29C48/86; B29C48/865
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN IMPROVED DIE PLATE FOR A PLASTIC PELLETIAER, COMPRISING AN ANNULAR INTERMEDIATE SECTION HAVING MEANS DEFINING A PLURALITY OF AXIALLY EXTENDING ORIFICES THROUGH WHICH THE PLASTIC MATERIAL IS EXTRUDED, SAID INTERMEDIATE SECTION FURTHER INCLUDING A SERIES OF GENERALLY RADIALLY EXTENDING PASSAGEWAYS SPACED BETWEEN SAID ORIFICES FOR CONDUCTING HEATING FLUID THROUGH SAID INTERMEDIATE SECTION IN CLOS PROXIMITY TO SAID ORIFICES, AN INNER SECTION SPACED WITHIN SAID INTERMEDIATE SECTION AND CONNECTED THERETO FOR CLOSING THE INNER ENDS OF SAID RADIALLY EXTENDING PASSAGEWAYS, AN ANNULAR OUTER SECTION SURROUNDING SAID INTERMEDIATE SECTION AND CONNECTED THERETO FOR CLOSING THE OUTER ENDS OF SAID RADIALLY EXTENDING PASSAGEWAYS, SAID OUTER SECTION HAVING MEANS DEFINING A SERIES OF INLET AND OUTLET PASSAGE FOR RECEIVING AND DISCHARGING HEATING FLUID, AND MEANS FOR CONNECTING SAID ENDS OF SAID PASSAGEWAYS EXTENDING RADIALLY THROUGH SAID INTERMEDIATE SECTION TO SAID INLET AND OUTLET PASSAGES FOR PROVIDING A GENERALLY UNIFORM FLOW OF HEATING FLUID THROUGH SAID INTERMEDIATE SECTION.
Claim 2
Dependent Claim
154 words
AN IMPROVED DIE PLATE FOR A PLASTIC PELLETIAER, COMPRISING AN ANNULAR INTERMEDIATE SECTION HAVING MEANS DEFINING A PLURALITY OF AXIALLY EXTENDING ORIFICES THROUGH WHICH THE PLASTIC MATERIAL IS EXTRUDED, SAID INTERMEDIATE SECTION FURTHER INCLUDING A SERIES OF GENERALLY RADIALLY EXTENDING PASSAGEWAYS SPACED BETWEEN SAID ORIFICES FOR CONDUCTING HEATING FLUID THROUGH SAID INTERMEDIATE SECTION IN CLOS PROXIMITY TO SAID ORIFICES, AN INNER SECTION SPACED WITHIN SAID INTERMEDIATE SECTION AND CONNECTED THERETO FOR CLOSING THE INNER ENDS OF SAID RADIALLY EXTENDING PASSAGEWAYS, AN ANNULAR OUTER SECTION SURROUNDING SAID INTERMEDIATE SECTION AND CONNECTED THERETO FOR CLOSING THE OUTER ENDS OF SAID RADIALLY EXTENDING PASSAGEWAYS, SAID OUTER SECTION HAVING MEANS DEFINING A SERIES OF INLET AND OUTLET PASSAGE FOR RECEIVING AND DISCHARGING HEATING FLUID, AND MEANS FOR CONNECTING SAID ENDS OF SAID PASSAGEWAYS EXTENDING RADIALLY THROUGH SAID INTERMEDIATE SECTION TO SAID INLET AND OUTLET PASSAGES FOR PROVIDING A GENERALLY UNIFORM FLOW OF HEATING FLUID THROUGH SAID INTERMEDIATE SECTION.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |