Patent US4468933A successfully refreshed from Google Patents.
US4468933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable cooler
Assignee: Individual
•
Filing: 1983-08-22
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Granted: 1984-09-04
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Expires: 2003-08-22
Abstract
Abstract A portable cooler has an inner container and an insulated jacket with means for closing the opening to the container. The container is constructed of a heat-conducting material, the outer jacket is provided with one or more pockets, the interior of which communicate with a portion of the heat-conducting wall of the container so that items to be warmed or cooled by the contents of the container may be stored in the pocket. The latter is accessible without opening the container.
Inventors
- 👤 Gary Christopher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:06
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/02; F25D3/06; F25D3/08; A; A45; A45C; A45C11/00; A45C11/20; F25D2303/00; F25D2303/08; F25D2303/082; F25D2303/0821; F25D2303/084; F25D2303/0843; F25D2331/00; F25D2331/80; F25D2331/801
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
100 words
A portable cooler comprising an inner receptacle having heat conducting vertical walls and floor and an open top, an insulating member closly fitting the outside surface of said inner receptacle walls and floor; and an outer jacket enveloping said receptacle and insulating member; said insulating member having at least one aperture over said vertical wall, said jacket having pocket means registering with and open to said aperture, and closure means adapted to close said open top and closely fit a human hand as it is inserted empty into the receptacle and as it is withdrawn holding material from said receptacle.
Claim 2
Dependent Claim
100 words
A portable cooler comprising an inner receptacle having heat conducting vertical walls and floor and an open top, an insulating member closly fitting the outside surface of said inner receptacle walls and floor; and an outer jacket enveloping said receptacle and insulating member; said insulating member having at least one aperture over said vertical wall, said jacket having pocket means registering with and open to said aperture, and closure means adapted to close said open top and closely fit a human hand as it is inserted empty into the receptacle and as it is withdrawn holding material from said receptacle.
Claim 3
Dependent Claim
15 words
The cooler of claim 1 wherein a releasable flap is provided to close said pocket.
Claim 4
Dependent Claim
14 words
The cooler of claim 1 with the addition of means for carrying said cooler.
Claim 5
Dependent Claim
14 words
The cooler of claim 3 wherein said means comprises straps carried by said jacket.
Claim 6
Dependent Claim
19 words
The cooler of claim 1 wherein said container takes the form of a hollow cylinder open at one end.
Claim 7
Dependent Claim
24 words
The cooler of claim 5 wherein said closure means comprises a draw string closure, and said jacket carries strap handles for carrying said cooler.
Claim 8
Dependent Claim
26 words
The cooler of claim 1 wherein the jacket comprises a two-part layer of cellular insulating material closely fit to the container and an outer fabric jacket.
Claim 9
Dependent Claim
36 words
The cooler of claim 1 wherein said closure means comprises a flexible, insulated extension of said jacket disposed in covering relationship to said open top and draw string means for adjusting the size of the opening.
Claim 10
Dependent Claim
40 words
The cooler of claim 1 wherein said receptacle has formed in said vertical wall at least one protruding section adapted to register with said at least one aperture and extending to at least substantially the outer surface of said aperture.
Claim 11
Dependent Claim
13 words
The cooler of claim 1 wherein said walls of said receptacle are rigid.
Claim 12
Dependent Claim
40 words
The cooler of claim 8 wherein said receptacle has formed in said vertical wall at least one protruding section adapted to register with said at least one aperture and extending to at least substantially the outer surface of said aperture.
Claim 13
Dependent Claim
13 words
The cooler of claim 8 wherein said walls of said receptacle are rigid.
Claim 14
Dependent Claim
13 words
The cooler of claim 9 wherein said walls of said receptacle are rigid.
Claim 15
Dependent Claim
112 words
A cooler for personal use comprising a rigid inner receptacle having heat conducting walls and an open top, an insulating member closly fitting the outside surface of said inner receptacle and an outer jacket enveloping said receptacle and insulating member, said insulating member having at least one aperture over said vertical wall, said receptacle having at least one protruding section registering with said at least one aperture, said flexible jacket having pocket means registering with and open to said aperture, and closure means adapted to close said open top and closely fit a human hand as it is inserted and withdrawn to remove materials from the receptacle without significant loss of cooling.
Claim 16
Dependent Claim
112 words
A cooler for personal use comprising a rigid inner receptacle having heat conducting walls and an open top, an insulating member closly fitting the outside surface of said inner receptacle and an outer jacket enveloping said receptacle and insulating member, said insulating member having at least one aperture over said vertical wall, said receptacle having at least one protruding section registering with said at least one aperture, said flexible jacket having pocket means registering with and open to said aperture, and closure means adapted to close said open top and closely fit a human hand as it is inserted and withdrawn to remove materials from the receptacle without significant loss of cooling.
Claim 17
Dependent Claim
36 words
The cooler of claim 14 wherein said closure means comprises a flexible insulated extension of said jacket disposed in cover relationship to said open top and has means for adjusting the size of the closure means.
Claim 18
Dependent Claim
40 words
The cooler of claim 14 wherein said receptacle has formed in said vertical wall at least one protruding section adapted to register with said at least one aperture and extending to at least substantially the outer surface of said aperture.
Claim 19
Dependent Claim
15 words
The cooler of claim 14 wherein a releasable flap is provided to close said pocket.
Claim 20
Dependent Claim
14 words
The cooler of claim 14 with the addition of means for carrying said cooler.
Claim 21
Dependent Claim
19 words
The cooler of claim 14 wherein said container takes the form of a hollow cylinder open at one end.
Claim 22
Dependent Claim
26 words
The cooler of claim 14 wherein the jacket comprises a two-part layer of cellular insulating material closely fit to the container and an outer fabric jacket.
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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) | 1987-09-04 | 1988-03-05 | 1988-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-04 | 1992-03-05 | 1992-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-04 | 1996-03-05 | 1996-09-04 | $7700.00 | Window Closed / Lapsed |