US3217633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-tube fryers
Assignee: —
•
Filing: —
•
Granted: 1965-11-16
•
Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:01
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/12; A47J37/1242; A47J37/1247
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
A SEMI-TUBE, DEEP FAT FRYER, COMPRISING A COOKING FAT KETTLE HAVING A BOTTOM PORTION SLOPING UPWARDLY FROM FRONT TO REAR WITH UPRIGHT WALLS ARRANGED IN PAIRS TO DEFINE OPEN-TOP TROUGHS AND ALTERNATE CHANNELS AND INCLUDING MEANS JOINING THE UPPER EDGE PORTIONS OF EACH OF SAID PAIR TO CLOSE THE TOP PORTIONS OF SAID CHANNELS, BURNER MEANS BELOW SAID KETTLE FOR HEATING SAID CHANNELS TO HEAT THE COOKING FAT, THE WALLS OF EACH SAID PAIR BEING TILTED TOWARD EACH OTHER FROM BOTTOM TO TOP SO THAT SAID TROUGHS INCREASE IN WIDTH UPWARDLY, THE FRONT ENDS OF SAID WALLS TERMINATING IN SPACED RELATIONSHIP TO, AND REARWARDLY OF, THE FRONT END OF THE KETTLE, AND MEANS JOINING THE FRONT
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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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |