Patent US5971770A successfully refreshed from Google Patents.
US3274920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous deep fat fryer
Assignee: General Mills Inc
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Filing: 1965-02-12
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Granted: 1966-09-27
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Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 John O Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:48
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1214
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A DEEP FAT FRYER APPARATUS FOR COOKING FOOD PRODUCTS IN A COOKING OIL WHICH COMPRISES A CONTAINER FOR HOT COOKING OIL; BUCKETS FOR CARRYING THE PRODUCTS TO BE COOKED; MEANS FOR MOVING THE BUCKETS RELATIVE TO SAID CONTAINER THROUGH AN OPERATIONAL CYCLE OF CONSTANT DURATION WHEREIN SAID BUCKETS ARE SUCCESSIVELY CHARGED WITH PRODUCTS, SUBMERGED IN THE COOKING OIL, AND PURGED OF THE PRODUCTS; MEANS FOR PURGING SAID BUCKETS OF SAID PRODUCTS; MEANS FOR CHARGING SAID BUCKETS WITH THE PRODUCTS; A POWER OPERATED TIMING DEVICE INTERCONNECTING SAID MEANS FOR CHARGING, SAID MEANS FOR PURGING, AND SAID MEANS FOR MOVING TO EFFECTUATE THE OPERATIONAL CYCLE AND TO DRIVE SAID MEANS FOR MOVING; A HEATER REMOTELY LOCATED WITH RESPECT TO SAID CONTAINER FOR HEATING SAID OIL; AND A CIRCULATORY SYSTEM FOR CONTINUOUSLY CIRCULATING THE HEATED OIL BETWEEN SAID HEATER AND SAID CONTAINER.
Claim 2
Dependent Claim
139 words
A DEEP FAT FRYER APPARATUS FOR COOKING FOOD PRODUCTS IN A COOKING OIL WHICH COMPRISES A CONTAINER FOR HOT COOKING OIL; BUCKETS FOR CARRYING THE PRODUCTS TO BE COOKED; MEANS FOR MOVING THE BUCKETS RELATIVE TO SAID CONTAINER THROUGH AN OPERATIONAL CYCLE OF CONSTANT DURATION WHEREIN SAID BUCKETS ARE SUCCESSIVELY CHARGED WITH PRODUCTS, SUBMERGED IN THE COOKING OIL, AND PURGED OF THE PRODUCTS; MEANS FOR PURGING SAID BUCKETS OF SAID PRODUCTS; MEANS FOR CHARGING SAID BUCKETS WITH THE PRODUCTS; A POWER OPERATED TIMING DEVICE INTERCONNECTING SAID MEANS FOR CHARGING, SAID MEANS FOR PURGING, AND SAID MEANS FOR MOVING TO EFFECTUATE THE OPERATIONAL CYCLE AND TO DRIVE SAID MEANS FOR MOVING; A HEATER REMOTELY LOCATED WITH RESPECT TO SAID CONTAINER FOR HEATING SAID OIL; AND A CIRCULATORY SYSTEM FOR CONTINUOUSLY CIRCULATING THE HEATED OIL BETWEEN SAID HEATER AND SAID CONTAINER.
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |