Patent US3177525A successfully refreshed from Google Patents.
US3177525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for stuffing food products into casings
Assignee: Liberty National Bank and Trust Co
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Filing: 1963-04-17
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Granted: 1965-04-13
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Expires: 1983-04-17
Abstract
No abstract record available.
Inventors
- 👤 John A Mahoney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:12
CPC Classifications
A; A22; A22C; A22C11/00; A22C11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
APPARATUS FOR STUFFING A FLUID MATERIAL FROM A SUPPLY THEREOF INTO A HOLLOW CASING, COMPRISING (A) A HOPPER HAVING THEREIN A SEALED COMPARTMENT, (B) MEANS FOR FEEDING FLUID MATERIAL FROM A SUPPLY THEREOF INTO SAID COMPARTMENT, (C) VACUUM MEANS OPERABLE INTERMITTENTLY TO REDUCE THE PRESSURE IN SAID COMPARTMENT TO A VALUE BELOW ATMOSPHERIC PRESSURE, AND (D) MEANS FOR DISCHARGING SAID FLUID MATERIAL FROM SAID COMPARTMENT TO A HOLLOW CASING, INCLUDING (E) A NORMALLY CLOSED, PRESSURE-RESPSONSIVE VALVE SET TO OPEN, WHEN THE PRESSURE IN SAID COMPARTMENT REACHES A PREDETERMINED VALUE ABOVE ATMOSPHERIC PRESSURE, AND (F) COMPRESSED AIR MEANS OPERATIVE IN THE INTERVALS BETWEEN OPERATION OF SAID VACUUM MEANS TO INCREASE
Claim 2
Dependent Claim
109 words
APPARATUS FOR STUFFING A FLUID MATERIAL FROM A SUPPLY THEREOF INTO A HOLLOW CASING, COMPRISING (A) A HOPPER HAVING THEREIN A SEALED COMPARTMENT, (B) MEANS FOR FEEDING FLUID MATERIAL FROM A SUPPLY THEREOF INTO SAID COMPARTMENT, (C) VACUUM MEANS OPERABLE INTERMITTENTLY TO REDUCE THE PRESSURE IN SAID COMPARTMENT TO A VALUE BELOW ATMOSPHERIC PRESSURE, AND (D) MEANS FOR DISCHARGING SAID FLUID MATERIAL FROM SAID COMPARTMENT TO A HOLLOW CASING, INCLUDING (E) A NORMALLY CLOSED, PRESSURE-RESPSONSIVE VALVE SET TO OPEN, WHEN THE PRESSURE IN SAID COMPARTMENT REACHES A PREDETERMINED VALUE ABOVE ATMOSPHERIC PRESSURE, AND (F) COMPRESSED AIR MEANS OPERATIVE IN THE INTERVALS BETWEEN OPERATION OF SAID VACUUM MEANS TO INCREASE
References Cited (Backward Citations)
US1787916A
Cited
US3081484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |