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US4098397A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi chambered thermal container

Assignee: Individual
•
Filing: 1975-03-17
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Granted: 1978-07-04
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Expires: 1995-03-17
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Abstract

Abstract A multi chambered thermal container adapted to receive and maintain a plurality of liquids at various temperatures. The container comprises an outer casing formed from layers of aluminum, insulation, and plastic. Two semi annular chambers as well as a cylinder shaped chamber are contained within the container. A compartment is provided for the storage of drinking glasses.

Inventors

  • 👤 William Mann, Jr.
  • 👤 Willa L. Mann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:06
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/0055; A47J41/0072; A47J43/00; A47J43/04; A47J43/07; A47J2043/0738; A47J41/02

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 323 words
A multi chambered thermal container, which comprises: (a) an outer casing having a cylindrically shaped lower portion, a flat lateral base, a frustum shaped upper portion, and a horizontally placed annular member affixed to a top inside periphery of said frustum shaped upper portion; (b) an open ended vertically placed cylinder sleeve affixed between said flat lateral bottom base and said horizontally placed annular member, said open ended sleeve having an interior chamber therein; (c) a first and a second vertically placed divider affixed in a trans alignment to a longitudinal sidewall of said open ended sleeve and an interior periphery of said outer casing forming a right and a left semi-annular chamber therein; (d) two female threaded apertures contained within said annular member and communicating with said left and said right semi-annular chambers; (e) a male threaded cap threadably engaging each said female threaded aperture; (f) said outer casing having an outer aluminum wall with a plastic coating and an interior plastic wall; (g) an internal fiberglass layer disposed between said interior plastic wall and said outer aluminum wall; (h) female threads contained on an inside periphery of said annular member; (i) a horizontally placed disc contained in said interior chamber dividing said interior chamber into a large upper chamber and a small bottom chamber; (j) a second circular disc having male threads on the outside periphery of said second circular disc, said second circular disc threadably engaging said female threads of said annular member, said second circular disc having a center circular aperture therein; (k) a rubber ring affixed in said center circular aperture; (l) a cylindrically shaped vessel having a convergent top end portion, an open top, and a rounded closed bottom, said convergent top end portion anchored within said rubber ring, said cylindrically shaped vessel contained within said large upper chamber; and (m) a cork having a plastic top positioned in said open top of said cylindrically shaped vessel.
Claim 2
Dependent Claim 323 words
A multi chambered thermal container, which comprises: (a) an outer casing having a cylindrically shaped lower portion, a flat lateral base, a frustum shaped upper portion, and a horizontally placed annular member affixed to a top inside periphery of said frustum shaped upper portion; (b) an open ended vertically placed cylinder sleeve affixed between said flat lateral bottom base and said horizontally placed annular member, said open ended sleeve having an interior chamber therein; (c) a first and a second vertically placed divider affixed in a trans alignment to a longitudinal sidewall of said open ended sleeve and an interior periphery of said outer casing forming a right and a left semi-annular chamber therein; (d) two female threaded apertures contained within said annular member and communicating with said left and said right semi-annular chambers; (e) a male threaded cap threadably engaging each said female threaded aperture; (f) said outer casing having an outer aluminum wall with a plastic coating and an interior plastic wall; (g) an internal fiberglass layer disposed between said interior plastic wall and said outer aluminum wall; (h) female threads contained on an inside periphery of said annular member; (i) a horizontally placed disc contained in said interior chamber dividing said interior chamber into a large upper chamber and a small bottom chamber; (j) a second circular disc having male threads on the outside periphery of said second circular disc, said second circular disc threadably engaging said female threads of said annular member, said second circular disc having a center circular aperture therein; (k) a rubber ring affixed in said center circular aperture; (l) a cylindrically shaped vessel having a convergent top end portion, an open top, and a rounded closed bottom, said convergent top end portion anchored within said rubber ring, said cylindrically shaped vessel contained within said large upper chamber; and (m) a cork having a plastic top positioned in said open top of said cylindrically shaped vessel.
Claim 3
Dependent Claim 44 words
A multi chambered thermal container, as recited in claim 1, wherein said first and said second vertically placed dividers and said open ended vertically placed cylinder sleeve comprises: (a) a double layer of plastic; and (b) said insulation layer disposed between said plastic layers.
Claim 4
Dependent Claim 101 words
A multi chambered thermal vessel as recited in claim 1, which further comprises: (a) annular shaped magnet affixed to a base of said open ended cylinder shaped cylinder; (b) said flat lateral bottom base having a circular hole aligning with said small lower chamber; (c) an aluminum disc having an outer annular steel flange; (d) aluminum disc forming a bottom base of small lower chamber by magnetic attraction between said annular steel flange and said annular shaped magnet; (e) said aluminum disc having a swivelably mounted handle; and (f) a plurality of stacked drinking glasses contained within said small lower chamber.

References Cited (Backward Citations)

US1289218A Cited
FR882420A Cited
US2746634A Cited
US3107498A Cited
US3416693A Cited
US3465905A Cited
US3459295A Cited
US3705661A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-07-03 1982-01-02 1982-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-07-03 1986-01-02 1986-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-07-03 1990-01-02 1990-07-04 $7700.00 Window Closed / Lapsed

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