US3196633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice cream freezer and dispenser
Assignee: Individual
•
Filing: 1962-12-20
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Granted: 1965-07-27
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Silvano Rapazzini
- 👤 Alberto Cipelletti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:30
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
209 words
IN A CONTINUOUS OPERATING ICE CREAM FREEZER AND DISPENSER DEVICE INCLUDING A REFRIGERATED FREEZING AND PROCESSING CHAMBER HAVING A FORE PORTION ASSOCIATED WITH ICE CREAM DISPENSING MEANS AND A REAR PORTION, A SUPPLY MEANS LOCATED ABOVE SAID CHAMBER AND COMMUNICATING WITH SAID REAR PORTION THEREOF FOR SUPPLYING A LIQUID MIX THERETO, AND ROTARY MEANS HAVING HELICAL COMPONENTS, SUPPORTED AND DRIVEN IN SAID CHAMBER FOR BEATING THE SAID MIX INTO A PASTY MATERIAL AND FOR PROGRESSING AND URGING SAID MATERIAL FROM SAID REAR PORTION TOWARDS AND INTO SAID FORE PORTION AND OUTSIDE SAID ICE CREAM DISPENSING MEANS, THE IMPROVEMENT INCLUDING A SOURCE OF PRESSURIZED AIR COMMUNICATING ONLY WITH SAID FORE PORTION CLOSELY ADJACENT TO SAID DISPENSING MEANS FOR SUPPLYING TO THE MATERIAL IN SAID FORE PORTION OF SAID CHAMBER AIR AT A RATE LARGELY IN EXCESS OF THE AMOUNT REQUIRED FOR EMULSIFYING SAID PASTY MATERIAL INTO A FOAMY ICE CREAM TO BE DISPENSED THEREFROM, AND TO CAUSE THEREBY THE EXCESS OF THE SAID AIR TO FLOW REARWARDLY THROUGH THE CHAMBER TO BE COOLED BY CONTACT WITH SAID REFRIGERATED CHAMBER AND THE MATERIAL THEREIN, TO ESCAPE FROM SAID CHAMBER THROUGH THE REAR PORTION THEREOF AND TO BUBBLE THROUGH THE SAID LIQUID MIX IN SAID SUPPLY VAT FOR REFRIGERATING SAID LIQUID MIX.
Claim 2
Dependent Claim
209 words
IN A CONTINUOUS OPERATING ICE CREAM FREEZER AND DISPENSER DEVICE INCLUDING A REFRIGERATED FREEZING AND PROCESSING CHAMBER HAVING A FORE PORTION ASSOCIATED WITH ICE CREAM DISPENSING MEANS AND A REAR PORTION, A SUPPLY MEANS LOCATED ABOVE SAID CHAMBER AND COMMUNICATING WITH SAID REAR PORTION THEREOF FOR SUPPLYING A LIQUID MIX THERETO, AND ROTARY MEANS HAVING HELICAL COMPONENTS, SUPPORTED AND DRIVEN IN SAID CHAMBER FOR BEATING THE SAID MIX INTO A PASTY MATERIAL AND FOR PROGRESSING AND URGING SAID MATERIAL FROM SAID REAR PORTION TOWARDS AND INTO SAID FORE PORTION AND OUTSIDE SAID ICE CREAM DISPENSING MEANS, THE IMPROVEMENT INCLUDING A SOURCE OF PRESSURIZED AIR COMMUNICATING ONLY WITH SAID FORE PORTION CLOSELY ADJACENT TO SAID DISPENSING MEANS FOR SUPPLYING TO THE MATERIAL IN SAID FORE PORTION OF SAID CHAMBER AIR AT A RATE LARGELY IN EXCESS OF THE AMOUNT REQUIRED FOR EMULSIFYING SAID PASTY MATERIAL INTO A FOAMY ICE CREAM TO BE DISPENSED THEREFROM, AND TO CAUSE THEREBY THE EXCESS OF THE SAID AIR TO FLOW REARWARDLY THROUGH THE CHAMBER TO BE COOLED BY CONTACT WITH SAID REFRIGERATED CHAMBER AND THE MATERIAL THEREIN, TO ESCAPE FROM SAID CHAMBER THROUGH THE REAR PORTION THEREOF AND TO BUBBLE THROUGH THE SAID LIQUID MIX IN SAID SUPPLY VAT FOR REFRIGERATING SAID LIQUID MIX.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |