Patent US3310086A successfully refreshed from Google Patents.
US3310086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic meat grinding apparatus
Assignee: Individual
•
Filing: 1964-12-14
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Granted: 1967-03-21
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Lasar William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:38
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/30; B02C18/301; B02C18/302; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A FOOD MATERIAL GRINDER, COMPRISING: A FEED HOPPER THAT RECEIVES FOOD TO BE GROUND; A COMPRESSION CHAMBER AXIALLY EXTENDING FROM ONE SIDE OF THE BOTTOM PORTION OF SAID FEED HOPPER; A FIRST HORIZONTAL ROTATABLE FEED SCREW IN THE BOTTOM PORTION OF SAID FEED HOPPER AND EXTENDING INTO SAID COMPRESSION CHAMBER; A SECOND HORIZONTAL FEED SCREW PARALLEL TO SAID FIRST FEED SCREW HAVING AN INLET PORTION AND A DISCHARGE PORTION; CLOSED CONNECTOR MEANS EXTENDING RADIALLY FROM SAID COMPRESSION CHAMBER INTO THE INLET PORTION OF SAID SECOND FEED SCREW; GRINDER MEANS CONNECTED TO THE DISCHARGE PORTION OF SAID SECOND FEED SCREW MEANS; AN ELONGATED HORIZONTAL AGITATOR ROTATABLY SUPPORTED IN SAID FEED HOPPER ADJACENT TO THE UPPER PORTION OF SAID FIRST FEED SCREW; AND POWER MEANS FOR SIMULTANEOUSLY DRIVING SAID FIRST AND SECOND FEED SCREWS AND SAID AGITATOR MEMBER, WITH ROTATION OF SAID AGITATOR PREVENTING SAID FOOD FROM BRIDGING OVER SAID FIRST FEED SCREW, AND ROTATION OF SAID FIRST FEED SCREW FORCING SAID FOOD THROUGH SAID COMPRESSION CHAMBER AND CONNECTOR MEANS UNDER PRESSURE INTO THE INLET PORTION OF SAID SECOND FEED SCREW.
Claim 2
Dependent Claim
179 words
A FOOD MATERIAL GRINDER, COMPRISING: A FEED HOPPER THAT RECEIVES FOOD TO BE GROUND; A COMPRESSION CHAMBER AXIALLY EXTENDING FROM ONE SIDE OF THE BOTTOM PORTION OF SAID FEED HOPPER; A FIRST HORIZONTAL ROTATABLE FEED SCREW IN THE BOTTOM PORTION OF SAID FEED HOPPER AND EXTENDING INTO SAID COMPRESSION CHAMBER; A SECOND HORIZONTAL FEED SCREW PARALLEL TO SAID FIRST FEED SCREW HAVING AN INLET PORTION AND A DISCHARGE PORTION; CLOSED CONNECTOR MEANS EXTENDING RADIALLY FROM SAID COMPRESSION CHAMBER INTO THE INLET PORTION OF SAID SECOND FEED SCREW; GRINDER MEANS CONNECTED TO THE DISCHARGE PORTION OF SAID SECOND FEED SCREW MEANS; AN ELONGATED HORIZONTAL AGITATOR ROTATABLY SUPPORTED IN SAID FEED HOPPER ADJACENT TO THE UPPER PORTION OF SAID FIRST FEED SCREW; AND POWER MEANS FOR SIMULTANEOUSLY DRIVING SAID FIRST AND SECOND FEED SCREWS AND SAID AGITATOR MEMBER, WITH ROTATION OF SAID AGITATOR PREVENTING SAID FOOD FROM BRIDGING OVER SAID FIRST FEED SCREW, AND ROTATION OF SAID FIRST FEED SCREW FORCING SAID FOOD THROUGH SAID COMPRESSION CHAMBER AND CONNECTOR MEANS UNDER PRESSURE INTO THE INLET PORTION OF SAID SECOND FEED SCREW.
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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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |