US3280722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deep fat pressure fryer for food
Assignee: Individual
•
Filing: 1965-03-03
•
Granted: 1966-10-25
•
Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Robert E Rahauser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:56
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/08; A47J27/0817; Y; Y10; Y10S; Y10S210/00; Y10S210/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
227 words
A DEEP FAT PRESSURE FRYER FOR FOOD COMPRISING IN COMBINATION, A CONTAINER SUBSTANTIALLY CIRCULAR IN CROSSSECTION AND HAVING A BOTTOM AND SIDE WALLS TO CONTAIN COOKING OIL OR THE LIKE WITHIN WHICH FOOD IS FRIED UNDER PRESSURE, HEATING MEANS OPERABLE TO HEAT OIL WITHIN SAID CONTAINER, A COVER FOR THE UPPER PART OF SAID CONTAINER, MEANS TO CLAMP SAID COVER IN OPERATIVE CLOSED POSITION RELATIVE TO SAID CONTAINER, A DISCHARGE PORT IN THE LOWER PORTION OF SAID CONTAINER THROUGH WHICH THE COOKING OIL IS WITHDRAWN FROM THE CONTAINER, AN INLET PORT FOR COOKING OIL IN THE LOWER PORTION OF SAID CONTAINER ADJACENT THE SIDE THEREOF AND DIRECTED TANGENTIALLY TO INDUCE A CIRCULAR FLOW OF COOKING OIL WHEN BEING INTRODUCED INTO THE CONTAINER, A BAFFLE EXTENDING SUBSTANTIALLY RADIALLY IN THE LOWER PORTION OF SAID CONTAINER AND EXTENDING UPWARD A LIMITED DISTANCE FROM ADJACENT THE BOTTOM OF SAID CONTAINER, SAID BAFFLE ALSO BEING POSITIONED BETWEEN SAID INLET AND DISCHARGE PORTS SO AS TO INTERCEPT COOKING OIL WHEN MOVING CIRCULARLY WITHIN SAID CONTAINER FROM SAID INLET PORT AND DEFLECT THE SAME TOWARD THE DISCHARGE PORT AND THEREBY FACILITATE REMOVAL OF SMALL PARTICLES OF FOOD DROPPINGS FROM THE CONTAINER INCIDENT TO DISCHARGING THE COOKING OIL THEREFROM, AND A CONDUIT CIRCUIT BETWEEN SAID INLET AND DISCHARGE PORTS INCLUDING A PUMP OPERABLE TO INDUCE FLOW OF COOKING OIL WITHIN SAID CONTAINER AS AFORESAID.
Claim 2
Dependent Claim
227 words
A DEEP FAT PRESSURE FRYER FOR FOOD COMPRISING IN COMBINATION, A CONTAINER SUBSTANTIALLY CIRCULAR IN CROSSSECTION AND HAVING A BOTTOM AND SIDE WALLS TO CONTAIN COOKING OIL OR THE LIKE WITHIN WHICH FOOD IS FRIED UNDER PRESSURE, HEATING MEANS OPERABLE TO HEAT OIL WITHIN SAID CONTAINER, A COVER FOR THE UPPER PART OF SAID CONTAINER, MEANS TO CLAMP SAID COVER IN OPERATIVE CLOSED POSITION RELATIVE TO SAID CONTAINER, A DISCHARGE PORT IN THE LOWER PORTION OF SAID CONTAINER THROUGH WHICH THE COOKING OIL IS WITHDRAWN FROM THE CONTAINER, AN INLET PORT FOR COOKING OIL IN THE LOWER PORTION OF SAID CONTAINER ADJACENT THE SIDE THEREOF AND DIRECTED TANGENTIALLY TO INDUCE A CIRCULAR FLOW OF COOKING OIL WHEN BEING INTRODUCED INTO THE CONTAINER, A BAFFLE EXTENDING SUBSTANTIALLY RADIALLY IN THE LOWER PORTION OF SAID CONTAINER AND EXTENDING UPWARD A LIMITED DISTANCE FROM ADJACENT THE BOTTOM OF SAID CONTAINER, SAID BAFFLE ALSO BEING POSITIONED BETWEEN SAID INLET AND DISCHARGE PORTS SO AS TO INTERCEPT COOKING OIL WHEN MOVING CIRCULARLY WITHIN SAID CONTAINER FROM SAID INLET PORT AND DEFLECT THE SAME TOWARD THE DISCHARGE PORT AND THEREBY FACILITATE REMOVAL OF SMALL PARTICLES OF FOOD DROPPINGS FROM THE CONTAINER INCIDENT TO DISCHARGING THE COOKING OIL THEREFROM, AND A CONDUIT CIRCUIT BETWEEN SAID INLET AND DISCHARGE PORTS INCLUDING A PUMP OPERABLE TO INDUCE FLOW OF COOKING OIL WITHIN SAID CONTAINER AS AFORESAID.
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |