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USRE28292E Expired / Lapsed US ⏱️ 0.0 years remaining

Pood freshener-warming device

Assignee: —
•
Filing: 1972-07-03
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Granted: 1975-01-07
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Expires: 1992-07-03
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Abstract

Abstract 1. A FOOD FRESHENER AND/OR WARMING DEVICE COMPRISING: A. CLOSED VESSEL; B. PARTITION MEANS WITHIN SAID VESSEL DIVIDING THE INTERIOR THEREOF INTO FIRST AND SECOND CHAMBERS; C. MEANS FOR CONTINUOUSLY (RECIRCULARING) CIRCULATING STEAM THROUGH SAID FIRST CHAMBER COMPRISING A STEAM INLET HAVING AN OPENING IN SAID FIRST CHAMBER SPACED ABOVE THE BOTTOM THEREOF AND A STEAM OUTLET HAVING AN OPENING DISPOSED IN THE BOTTOM OF SAID FIRST CHAMBER WHEREBY STEAM FROM A SOURCE THEREOF MAY BE CONTINUOUSLY CAUSED TO ENTER SAID FIRST CHAMBER THROUGH SAID STEAM INLET THEREOF, PASS THROUGH SAID FIRST CHAMBER AND EXIT SAID FIRST CHAMBER VIA SAID STEAM OUTLET THEREOF; D. PASSAGE MEANS HAVING AN INLET IN SAID FIRST CHAMBER AND AN OUTLET IN SAID SECOND CHAMBER; E. OPERATOR CONTROLLED VALVE MEANS FOR CONTROLLING THE FLOW OF STEAM THROUGH SAID PASSAGE MEANS FROM SAID FIRST CHAMBER TO SAID SECOND CHAMBER; AND F. APERTURE MEANS FOR APPLYING STEAM FROM SAID SECOND CHAMBER TO A FOOD ITEM.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 13:23
CPC Classifications
A; A21; A21D; A21D17/00; A21D17/008; A47; A47J; A47J27/00; A47J27/04; B; B01; B01J; B01J3/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2636969A Cited
US2617349A Cited
US2786932A Cited
US3307473A Cited
US3358581A Cited
US3291030A Cited
US3616746A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-01-06 1978-07-08 1979-01-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-01-06 1982-07-08 1983-01-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-01-06 1986-07-08 1987-01-07 $7700.00 Window Closed / Lapsed

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