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US3978233A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid warmer

Assignee: Individual
•
Filing: 1974-09-16
•
Granted: 1976-08-31
•
Expires: 1994-09-16
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Abstract

Abstract A portable hot liquid system comprising a container with the bottom portion of the insulated cover being removable to form a cup, a heating holder adapted to receive the uncovered bottom portion of the container and a small vessel for holding a soluble condiment, which is adapted to attach onto the nozzle of the container, so that the hot liquid, for example, water can be passed through the small condiment vessel, thereby dissolving the condiment and producing hot food or beverage.

Inventors

  • 👤 Alex W. Bolt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:56
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/005; Y; Y10; Y10S; Y10S215/00; Y10S215/07

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 117 words
A portable hot liquid system comprising a single container said container being a heat conducting material and having a necked opening at one end thereof, and an insulated cover over the surface thereof said insulated cover having a top section adjacent to said necked opening, fixedly attached to said container and having a threaded neck extending around said necked opening of said container, and a bottom cup section engaging said top section and being removably mounted on said container said container having an opening which has a removable resilient plug therein, located adjacent to the cup section of said cover said opening being within the insulated cover when said cup section is engaged to said top section.
Claim 2
Dependent Claim 117 words
A portable hot liquid system comprising a single container said container being a heat conducting material and having a necked opening at one end thereof, and an insulated cover over the surface thereof said insulated cover having a top section adjacent to said necked opening, fixedly attached to said container and having a threaded neck extending around said necked opening of said container, and a bottom cup section engaging said top section and being removably mounted on said container said container having an opening which has a removable resilient plug therein, located adjacent to the cup section of said cover said opening being within the insulated cover when said cup section is engaged to said top section.
Claim 3
Dependent Claim 28 words
The system according to claim 1 wherein a cap is removably engaged on said threaded neck of said top section and in sealing engagement with said necked opening.
Claim 4
Dependent Claim 19 words
The system according to claim 2 wherein a resilient seal is juxtaposed between said cap and said necked opening.
Claim 5
Dependent Claim 18 words
The system according to claim 2 wherein said top section and said bottom section are engaged by threads.
Claim 6
Dependent Claim 32 words
The system according to claim 1 wherein a tubular container having a perforated closure on each end thereof is removable engaged at one end on said threaded neck of said top section.
Claim 7
Dependent Claim 18 words
The system according to claim 5 wherein each of said perforated closures has an openable cover associated therewith.
Claim 8
Dependent Claim 26 words
The system according to claim 6 wherein said cover adjacent to necked opening has openings therein which are rotatably alignable with said perforations in said closure.
Claim 9
Dependent Claim 19 words
The system according to claim 7 wherein the cover on the tubular container opposite said rotatable cover is removable.
Claim 10
Dependent Claim 16 words
The system according to claim 5 wherein said tubular container contains a water soluble food stuff.
Claim 11
Dependent Claim 20 words
The system according to claim 1 wherein said container is removably seated in a holder having a heating element therein.
Claim 12
Dependent Claim 16 words
The system according to claim 10 wherein said bottom cup section is removed from said container.
Claim 13
Dependent Claim 13 words
The system according to claim 10 wherein said heating element is electrically operated.

References Cited (Backward Citations)

US896903A Cited
US959110A Cited
US1944495A Cited
US2543581A Cited
US2682358A Cited
US2909305A Cited
US3275448A Cited
US3261504A Cited
US3327881A Cited
US3453947A Cited
US3845873A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-08-31 1980-03-01 1980-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-08-31 1984-03-01 1984-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-08-31 1988-03-01 1988-08-31 $7700.00 Window Closed / Lapsed

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