US3590802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auto-food warmer
Assignee: Individual
•
Filing: 1968-07-22
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Granted: 1971-07-06
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Expires: 1988-07-22
Abstract
Abstract This invention relates to a warmer for food. The warmer is heated by the coolant passing through the engine cooling system of a motor vehicle. The warmer comprises an enclosure member; racks of pipes; conduits to the pipes; means insulating heat within the enclosure; the article supposed to be warmed supported by the racks; and the pipes in the racks transferring heat from the engine coolant flowing therein to and from the conduits.
Inventors
- 👤 Jacob Fried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:12
CPC Classifications
B; B60; B60N; B60N3/00; B60N3/16; F; F24; F24C; F24C9/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
111 words
In a heat transfer device for warming articles in an automobile by transferring heat from an engine coolant to the articles to be warmed, the improvements of: an enclosure member; a top rack of pipes within said enclosure member; a bottom rack of pipes within said enclosure member; input conduits to said racks; output conduits from said racks; means insulating heat within said enclosure member; said input conduits transferring engine coolant to said racks; said output conduits transferring engine coolant from said racks to the engine cooling system of said automobile; said articles being structurally supported by said racks; said racks transferring heat from engine coolant flowing therein to said articles.
Claim 2
Dependent Claim
111 words
In a heat transfer device for warming articles in an automobile by transferring heat from an engine coolant to the articles to be warmed, the improvements of: an enclosure member; a top rack of pipes within said enclosure member; a bottom rack of pipes within said enclosure member; input conduits to said racks; output conduits from said racks; means insulating heat within said enclosure member; said input conduits transferring engine coolant to said racks; said output conduits transferring engine coolant from said racks to the engine cooling system of said automobile; said articles being structurally supported by said racks; said racks transferring heat from engine coolant flowing therein to said articles.
Claim 3
Dependent Claim
37 words
The apparatus of claim 1 wherein each of said input conduits is connected by a ''''T'''' member at one end thereof and at the other end thereof are each attached to a different one of said racks.
Claim 4
Dependent Claim
20 words
The apparatus of claim 1 wherein each of said output conduits is connected to a different one of said racks.
Claim 5
Dependent Claim
14 words
The apparatus of claim 1 wherein said racks are fed coolant in parallel flow.
Claim 6
Dependent Claim
27 words
The apparatus of claim 1 wherein said racks comprise an array of pipes spaced at a distance from one another allowing convection of heated air between them.
Claim 7
Dependent Claim
44 words
The apparatus of claim 5 wherein said pipes are shaped in such a manner that the area of contact between said pipes and articles resting on said pipes is a small fraction of the total exterior exposed area of the pipes for heat exchange.
References Cited (Backward Citations)
US2683795A
Cited
US3288129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |