US3147784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for deaerating and feeding ground meat mixture from a vacuum chamber
Assignee: Oscar Mayer Foods Corp
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Filing: 1961-03-14
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Granted: 1964-09-08
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Expires: 1981-03-14
Abstract
No abstract record available.
Inventors
- 👤 Edward C Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:47
CPC Classifications
A; A22; A22C; A22C11/00; A22C11/02; A22C11/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A MEAT GRINDING AND DEAERATING APPARATUS COMPRISING MEANS FORMING A CHAMBER HAVING A TOP OPENING AND A BOTTOM OPENING, A MEAT GRINDER HAVING A GRINDING PLATE AND A FEED SCREW MOUNTED WITH ITS AXIS DISPOSED VERTICALLY WHICH GRINDER FORMS A CLOSURE FOR SAID TOP OPENING, MEANS FOR EVACUATING THE CHAMBER SO AS TO DEAERATE THE GROUND MEAT AS IT FALLS IN PARTICLE FORM TOWARD THE BOTTOM OF THE CHAMBER, AND A PUMP CONNECTED TO THE BOTTOM OF THE CHAMBER FORMING MEANS AND PROVIDING A CLOSURE FOR THE BOTTOM OPENING WHICH PUMP COMPRISES A CYLINDRICAL STATOR, THE INTERIOR OF WHICH IS IN THE FORM OF A DOUBLE HELICAL THREAD AND A ROTOR WHICH IS IN THE
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |