US2760765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for aerating and agitating milk
Assignee: Individual
•
Filing: 1953-01-16
•
Granted: 1956-08-28
•
Expires: 1973-01-16
Abstract
No abstract record available.
Inventors
- 👤 Roop William Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:24
CPC Classifications
A; A01; A01J; A01J11/00; A01J11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A MACHINE FOR PROCESSING MILK, A CABINET, THE INTERIOR OF WHICH IS MAINTAINED UNDER SUB-ATMOSPHERIC PRESSURE, MEANS FOR INTORDUCING MILK INTO SAID CABINET, AND MEANS FOR INTRODUCING AIR INTO SAID CABINET AND RELEASING IT BELOW THE UPPER SURFACE OF MILK THEREIN TO EFFECT A MIXING OF THE MILK, SAID LATTER MEANS COMPRISING A STRAIGHT TUBE EXTENDING DOWANWARDLY THROUGH THE UPPER PORTION OF SAID CABINET WITH WHICH ITS EXTERIOR HAS A SUBSTANTIALLY AIRTIGHT FIT AND HAVING ITS LOWER END EXTENDING WELL DOWN WITHIN SAID CABINET SO AS TO PROJECT INTO MILK WITHIN THE SAME, SAID TUBE HAVING AN OPENING AT ITS LOWER END FOR THE RELEASE OF AIR DRAWN THROUGH SAID TUBE DUE TO THE SUB-ATMOSPHERIC PRESSURE WITH SAID CABINET, AND THE UPPER END OF SAID TUBE BEING PROVIDED WITH
Claim 2
Dependent Claim
130 words
IN A MACHINE FOR PROCESSING MILK, A CABINET, THE INTERIOR OF WHICH IS MAINTAINED UNDER SUB-ATMOSPHERIC PRESSURE, MEANS FOR INTORDUCING MILK INTO SAID CABINET, AND MEANS FOR INTRODUCING AIR INTO SAID CABINET AND RELEASING IT BELOW THE UPPER SURFACE OF MILK THEREIN TO EFFECT A MIXING OF THE MILK, SAID LATTER MEANS COMPRISING A STRAIGHT TUBE EXTENDING DOWANWARDLY THROUGH THE UPPER PORTION OF SAID CABINET WITH WHICH ITS EXTERIOR HAS A SUBSTANTIALLY AIRTIGHT FIT AND HAVING ITS LOWER END EXTENDING WELL DOWN WITHIN SAID CABINET SO AS TO PROJECT INTO MILK WITHIN THE SAME, SAID TUBE HAVING AN OPENING AT ITS LOWER END FOR THE RELEASE OF AIR DRAWN THROUGH SAID TUBE DUE TO THE SUB-ATMOSPHERIC PRESSURE WITH SAID CABINET, AND THE UPPER END OF SAID TUBE BEING PROVIDED WITH
References Cited (Backward Citations)
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Cited
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Cited
US1622832A
Cited
US1570180A
Cited
US2255661A
Cited
FR988687A
Cited
US2626138A
Cited
US2631566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |