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US4980939A Expired / Lapsed US ⏱️ 0.0 years remaining

Water filled cushion

Assignee: Individual
•
Filing: 1990-04-16
•
Granted: 1991-01-01
•
Expires: 2010-04-16
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Abstract

Abstract A cushion dimensioned to support a seated user is comprised of an outer covering with handles defined by a continuous strap attached to the outer covering. A foam cushion layer is permanently attached to the outer covering and a liquid filled pouch is slideably enclosed by the outer covering.

Inventors

  • 👤 Peter A. Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:24
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/021; A61; A61G; A61G5/00; A61G5/10; A61G5/1043; A61G5/1091; A61G7/00; A61G7/05; A61G7/057; A61G7/05715; Y; Y10; Y10S; Y10S5/00; Y10S5/909

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 229 words
A portable cushion assembly dimensioned to support a seated user, which comprises: a woven fabric outer covering which is adapted to permanently enclose a first cushion layer comprising a resiliently compressible foamed plastic material and to slideably enclose a second cushion layer which comprises a generally planar, refillable, liquid filled pouch; said first and second layers being of generally the same shape and volume and being enclosed and urged into meeting relationship along a common plane by said outer covering; a user of said cushion being seatable on a surface of said cushion which is parallel with said common plane and on an opposite side of said common plane to said fluid filled pouch; said cushion further including a continuous strap formed into a closed shape connected to said outer covering; at least part of said strap protruding beyond two opposed ends of said cushion whereby said strap can be used as a carry handle for said cushion assembly when said cushion assembly when said cushion assembly is folded so as to cause those portions of said strap protruding beyond said two opposed ends of said cushion to meet so as to be graspable together by a human hand, said first cushion layer being permanently attached to said woven fabric outer covering by connecting means at an interface between said first cushion layer and said woven fabric outer covering.
Claim 2
Dependent Claim 229 words
A portable cushion assembly dimensioned to support a seated user, which comprises: a woven fabric outer covering which is adapted to permanently enclose a first cushion layer comprising a resiliently compressible foamed plastic material and to slideably enclose a second cushion layer which comprises a generally planar, refillable, liquid filled pouch; said first and second layers being of generally the same shape and volume and being enclosed and urged into meeting relationship along a common plane by said outer covering; a user of said cushion being seatable on a surface of said cushion which is parallel with said common plane and on an opposite side of said common plane to said fluid filled pouch; said cushion further including a continuous strap formed into a closed shape connected to said outer covering; at least part of said strap protruding beyond two opposed ends of said cushion whereby said strap can be used as a carry handle for said cushion assembly when said cushion assembly when said cushion assembly is folded so as to cause those portions of said strap protruding beyond said two opposed ends of said cushion to meet so as to be graspable together by a human hand, said first cushion layer being permanently attached to said woven fabric outer covering by connecting means at an interface between said first cushion layer and said woven fabric outer covering.
Claim 3
Dependent Claim 15 words
The cushion assembly of claim 1 wherein said liquid filled pouch is filled with water.
Claim 4
Dependent Claim 19 words
The cushion assembly of claim 1 wherein said liquid filled pouch is filled with water and a stabilizing additive.

References Cited (Backward Citations)

US2618790A Cited
US3663973A Cited
US3737930A Cited
US3702484A Cited
GB1594111A Cited
US4671393A Cited
US4723300A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-12-31 1994-07-02 1995-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-12-31 1998-07-02 1999-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-12-31 2002-07-02 2003-01-01 $7700.00 Window Closed / Lapsed

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