US3190082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacturing soft ice cream
Assignee: Individual
•
Filing: 1962-10-04
•
Granted: 1965-06-22
•
Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Gene S Duke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:58
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/20; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/8593; Y10T137/87571; Y10T137/87652
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
APPARATUS FOR USE IN THE MANUFACTURE OF SOFT ICE CREAM, ADAPTED FOR INSERTION BETWEEN A FREEZING MACHINE AND A MIX RECEPTACLE, SAID APPARATUS INCLUDING A FEED LINE CONNECTING THE MIX RECEPTACLE TO THE FREEZING MACHINE, A PUMP CONNECTED TO SAID FEED LINE FOR CREATING SUCTION IN THE LATTER, THE PUMP INCLUDING A SUCTION LINE AND DISCHARGE LINE CONNECTED TO SAID FEED LINE IN VERTICAL SPACED RELATIONSHIP, A BALL VALVE IN SAID FEED LINE BETWEEN SAID SUCTION LINE AND DISCHARGE LINE, A CONVOLUTED SPRING IN SAID FEED LINE BETWEEN SAID SUCTION LINE AND DISCHARGE LINE, SAID BALL VALVE BEING SEATED IN THE UPPER PORTION OF SAID CONVOLUTED SPRING, TO NORMALLY PREVENT PASSAGE OF THE MIX FROM THE DISCHARGE SIDE TO THE SUCTION SIDE OF THE PUMP. SAID BALL VALVE BEING MOVED TO AN INOPERATIVE POSITION UNDER FORCE OF THE MIX, WHEN THE FREEZING MACHINE IS FULL, AN AIR INLET LINE, ONE END OF WHICH IS CONNECTED TO SAID FEED LINE BETWEEN SAID PUMP AND MIX RECEPTACLE, FOR DRAWING IN AIR, A CLOSED CYLINDRICAL HOUSING CONNECTED TO THE OPPOSITE END OF SAID AIR INLET LINE, SAID HOUSING BEING PROVIDED WITH AN AIR INLET OPENING IN COMMUNICATION WITH THE INTERIOR THEREOF, A SEPARATE AIR CONDUIT UNIT POSITIONED WITHIN SAID CYLINDRICAL HOUSING, THE AIR CONDUIT UNIT BEING PROVIDED WITH AN AIR OPENING OF PREDETERMINED SIZE FOR
Claim 2
Dependent Claim
222 words
APPARATUS FOR USE IN THE MANUFACTURE OF SOFT ICE CREAM, ADAPTED FOR INSERTION BETWEEN A FREEZING MACHINE AND A MIX RECEPTACLE, SAID APPARATUS INCLUDING A FEED LINE CONNECTING THE MIX RECEPTACLE TO THE FREEZING MACHINE, A PUMP CONNECTED TO SAID FEED LINE FOR CREATING SUCTION IN THE LATTER, THE PUMP INCLUDING A SUCTION LINE AND DISCHARGE LINE CONNECTED TO SAID FEED LINE IN VERTICAL SPACED RELATIONSHIP, A BALL VALVE IN SAID FEED LINE BETWEEN SAID SUCTION LINE AND DISCHARGE LINE, A CONVOLUTED SPRING IN SAID FEED LINE BETWEEN SAID SUCTION LINE AND DISCHARGE LINE, SAID BALL VALVE BEING SEATED IN THE UPPER PORTION OF SAID CONVOLUTED SPRING, TO NORMALLY PREVENT PASSAGE OF THE MIX FROM THE DISCHARGE SIDE TO THE SUCTION SIDE OF THE PUMP. SAID BALL VALVE BEING MOVED TO AN INOPERATIVE POSITION UNDER FORCE OF THE MIX, WHEN THE FREEZING MACHINE IS FULL, AN AIR INLET LINE, ONE END OF WHICH IS CONNECTED TO SAID FEED LINE BETWEEN SAID PUMP AND MIX RECEPTACLE, FOR DRAWING IN AIR, A CLOSED CYLINDRICAL HOUSING CONNECTED TO THE OPPOSITE END OF SAID AIR INLET LINE, SAID HOUSING BEING PROVIDED WITH AN AIR INLET OPENING IN COMMUNICATION WITH THE INTERIOR THEREOF, A SEPARATE AIR CONDUIT UNIT POSITIONED WITHIN SAID CYLINDRICAL HOUSING, THE AIR CONDUIT UNIT BEING PROVIDED WITH AN AIR OPENING OF PREDETERMINED SIZE FOR
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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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |