Patent US3243848A successfully refreshed from Google Patents.
US3243848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruding machine with automatic metering control
Assignee: Individual
•
Filing: 1962-12-12
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Granted: 1966-04-05
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Expires: 1982-12-12
Abstract
No abstract record available.
Inventors
- 👤 James A Miller
- 👤 Paul L Miller
- 👤 Drive Laurel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:01
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/78; B29C48/80; B29C48/84; B29C48/85; B29C48/36; B29C48/395; B29C48/50; B29C48/83; B29C48/832; B29C48/86; B29C48/865; B29C48/92; B29C2948/00; B29C2948/92; B29C2948/92009; B29C2948/9218; B29C2948/92209; B29C2948/92323; B29C2948/92361; B29C2948/9238; B29C2948/924; B29C2948/92409; B29C2948/92438; B29C2948/92504; B29C2948/92676; B29C2948/92704; B29C2948/92819; B29C2948/92857; B29C2948/92876; B29C2948/92895; B29C2948/92904; B29C2948/92933; B29C48/03; B29C48/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN EXTRUDING MACHINE COMPRISING A HOPPER, A BARREL, MEANS FOR DELIVERING MATERIAL FROM SAID HOPPER TO SAID BARREL, CONTROLLED HEATING MEANS ASSOCIATED WITH SAID BARREL, A SCREW ROTATABLY MOUNTED WITHIN SAID BARREL, AN EXTRUDING NOZZLE AT THE END OF SAID BARREL, AND MEANS FOR METERING THE AMOUNT OF MATERIAL EXTRUDED THROUGH SAID NOZZLE, SAID MEANS FOR METERING SAID MATERIAL INCLUDING A PIVOT ARM AND SWITCH MEANS ADAPTED TO BE CONTACTED BY SAID PIVOT ARM DURING ITS PIVOTING, WHEREBY CONTACT OF SAID SWITCH MEANS WILL AUTOMATICALLY STOP OR START THE ROTATION OF SAID SCREW AND THE CONSEQUENT EXTRUSION, SAID BARREL, SCREW AND NOZZLE BEING SUBSTANTIALLY VERTICAL, AND SAID METERING MEANS BEING POSITIONED BELOW SAID NOZZLE, WHEREBY THE MATERIAL EMANATING FROM SAID NOZZLE WILL PIVOT SAID PIVOT ARM.
Claim 2
Dependent Claim
126 words
AN EXTRUDING MACHINE COMPRISING A HOPPER, A BARREL, MEANS FOR DELIVERING MATERIAL FROM SAID HOPPER TO SAID BARREL, CONTROLLED HEATING MEANS ASSOCIATED WITH SAID BARREL, A SCREW ROTATABLY MOUNTED WITHIN SAID BARREL, AN EXTRUDING NOZZLE AT THE END OF SAID BARREL, AND MEANS FOR METERING THE AMOUNT OF MATERIAL EXTRUDED THROUGH SAID NOZZLE, SAID MEANS FOR METERING SAID MATERIAL INCLUDING A PIVOT ARM AND SWITCH MEANS ADAPTED TO BE CONTACTED BY SAID PIVOT ARM DURING ITS PIVOTING, WHEREBY CONTACT OF SAID SWITCH MEANS WILL AUTOMATICALLY STOP OR START THE ROTATION OF SAID SCREW AND THE CONSEQUENT EXTRUSION, SAID BARREL, SCREW AND NOZZLE BEING SUBSTANTIALLY VERTICAL, AND SAID METERING MEANS BEING POSITIONED BELOW SAID NOZZLE, WHEREBY THE MATERIAL EMANATING FROM SAID NOZZLE WILL PIVOT SAID PIVOT ARM.
References Cited (Backward Citations)
US906297A
Cited
US1466509A
Cited
US1902295A
Cited
US2156895A
Cited
US2499398A
Cited
US2645447A
Cited
US2541201A
Cited
US2574907A
Cited
US2688770A
Cited
US2803851A
Cited
US2737089A
Cited
US2787022A
Cited
US2854691A
Cited
US2780834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |