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Patent US3273489A successfully refreshed from Google Patents.
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US3273489A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric oven

Assignee: Individual
•
Filing: 1963-10-18
•
Granted: 1966-09-20
•
Expires: 1983-10-18
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Abstract

No abstract record available.

Inventors

  • 👤 Robert G Wilson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 07:04
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/045

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 214 words
FOR USE IN AN OVEN ENCLOSURE, THE COMBINATION INCLUDING, STATIONARY VERTICALLY DISPOSED ELECTRICAL HEATING MEANS DISPOSED SUBSTANTIALLY WITH THE CENTRAL PORTION OF THE OVER, A FIRST HORIZONTAL SHAFT WITHIN THE OVEN ENCLOSURE DISPOSED ABOVE AND IN SUBSTANTIAL ALIGNMENT WITH THE ELECTRICAL HEATING MEANS, A SECOND HORIZONTAL SHAFT WITHIN THE OVEN DISPOSED BELOW AND IN SUBSTANTIAL ALIGNMENT WITH THE ELECTRICAL HEATING MEANS, SPROCKET ADJACENT THE ENDS OF EACH SHAFT WHEREBY EACH OF THE SPROCKETS ON THE UPPER SHAFT IS SUBSTANTIALLY ALIGNED WITH A SPROCKET ON THE LOWER SHAFT, A PAIR OF HORIZONTALLY SPACED VERTICALLY DISPOSED CONTINUOUS CHAINS CARRIED BY RESPECTIVE PAIRS OF ALIGNED SPROCKETS SO THAT A VERTICAL RUN OF THE CHAINS PASSES ON EACH SIDE OF THE ELECTRICAL HEATING MEANS, POWER OPERATED DRIVING MEANS FOR TURNING SAID SHAFTS CONTINUOUSLY, A PLURALITY OF SUBSTANTIALLY HORIZONTALLY DISPOSED MEAT SUPPORTING MEANS HAVING RESPECTIVE END PORTIONS CONNECTED TO SAID CHAINS, SAID SUPPORTING MEANS BEING SUBJECTED TO THE DIRECT APPLICATION OF HEAT FROM SAID ELECTRICAL HEATING MEANS ON EACH VERTICAL RUN OF THE CHAINS, AND MEANS ON SAID CHAINS COOPERATING WITH SAID MEAT SUPPORTING MEANS POSITIONING SAME FOR LINEAR NON-ROTATING MOVEMENT ON EACH VERTICAL RUN OF THE CHAINS SO THAT THE SAME SIDE OF SAID MEAT CONTINUOUSLY FACES SAID ELECTRICAL HEATING MEANS ON BOTH VERTICAL RUNS OF THE CHAINS.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-19 1970-03-21 1970-09-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-19 1974-03-21 1974-09-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-19 1978-03-21 1978-09-20 $7700.00 Window Closed / Lapsed

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