US3290015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed control for whipped food freezers
Assignee: Individual
•
Filing: 1964-06-24
•
Granted: 1966-12-06
•
Expires: 1984-06-24
Abstract
No abstract record available.
Inventors
- 👤 Harold R Guetschow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:26
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/22; A23G9/28; A23G9/281; A23G9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN THE METHOD OF PREPARING A WHIPPED FOOD PRODUCT WHEREIN A MIX IS INTRODUCED INTO A CLOSED MIXING CHAMBER IN WHICH THE MIX IS CHILLED AND WORKED TO INCORPORATE AIR THEREIN AND FROM WHICH CHAMBER THE FOOD PRODUCT IS WITHDRAWN AS REQUIRED, THE IMPROVEMENT COMPRISING: PRIOR TO REPLENISHING SAID CHAMBER WITH MIX AFTER A DRAW-OFF OF PRODUCT, LIMITING THE AMOUNT OF VACUUM PRODUCED BY A DRAW-OFF BY THE ADMISSION OF AIR AS REQUIRED TO ACHIEVE SAID LIMITING, AND THEREAFTER ADDING MIX UNTIL THE PRESSURE IN SAID CHAMBER INCREASES TO A PREDETERMINED EXTENT.
Claim 2
Dependent Claim
92 words
IN THE METHOD OF PREPARING A WHIPPED FOOD PRODUCT WHEREIN A MIX IS INTRODUCED INTO A CLOSED MIXING CHAMBER IN WHICH THE MIX IS CHILLED AND WORKED TO INCORPORATE AIR THEREIN AND FROM WHICH CHAMBER THE FOOD PRODUCT IS WITHDRAWN AS REQUIRED, THE IMPROVEMENT COMPRISING: PRIOR TO REPLENISHING SAID CHAMBER WITH MIX AFTER A DRAW-OFF OF PRODUCT, LIMITING THE AMOUNT OF VACUUM PRODUCED BY A DRAW-OFF BY THE ADMISSION OF AIR AS REQUIRED TO ACHIEVE SAID LIMITING, AND THEREAFTER ADDING MIX UNTIL THE PRESSURE IN SAID CHAMBER INCREASES TO A PREDETERMINED EXTENT.
References Cited (Backward Citations)
US2737024A
Cited
US2698163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |