US4391466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water chair
Assignee: Individual
•
Filing: 1981-02-06
•
Granted: 1983-07-05
•
Expires: 2001-02-06
Abstract
Abstract A chair is disclosed, with a plurality of water bags on the chair serving as the cushion on the back support. The bags are layered down along the back support. Each bag is supported in a sling whose upper margin is attached to the back support. The seat cushion of the chair is also a water bag.
Inventors
- 👤 Peter A. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:12
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/085; A47C4/00; A47C4/54; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
133 words
A chair for one or more persons, comprising a frame, a seating portion and a back supporting portion being defined by the frame, the chair back comprising a plurality of cushions arranged to be partially filled with water, a corresponding plurality of slings, each sling being attached along an upper margin of the back supporting portion; each cushion comprising a water impermeable bag carried within a sling, the bag being partially filled with water, the plurality of cushions being mounted one above the other to the back supporting portion of the frame, with the lowermost part of one cushion resting on the uppermost part of the cushion below it, whereby in use of the chair said cushion supports and adapts itself to the shape of the back of said one or more persons.
Claim 2
Dependent Claim
133 words
A chair for one or more persons, comprising a frame, a seating portion and a back supporting portion being defined by the frame, the chair back comprising a plurality of cushions arranged to be partially filled with water, a corresponding plurality of slings, each sling being attached along an upper margin of the back supporting portion; each cushion comprising a water impermeable bag carried within a sling, the bag being partially filled with water, the plurality of cushions being mounted one above the other to the back supporting portion of the frame, with the lowermost part of one cushion resting on the uppermost part of the cushion below it, whereby in use of the chair said cushion supports and adapts itself to the shape of the back of said one or more persons.
Claim 3
Dependent Claim
48 words
A chair as claimed in claim 1, wherein each bag is provided with a fill opening and a stopper for the opening, and wherein each sling comprises a covering for the bag and is provided with an opening for access to the fill opening of its respective bag.
Claim 4
Dependent Claim
50 words
A chair as claimed in claim 2, wherein each sling has a flap extending along a top margin of the sling, the flap being secured to the back supporting portion of the frame and the remainder of the sling, together with the bag carried therein, being suspended from the flap.
Claim 5
Dependent Claim
40 words
A chair as claimed in claim 1, wherein a head rest portion is attached to the back supporting portion of the frame above the uppermost cushion, the head rest portion having a construction similar to that of the uppermost cushion.
Claim 6
Dependent Claim
26 words
A chair as claimed in claim 1, wherein the seating portion comprises at least one seating cushion filled with or arranged to be filled with water.
Claim 7
Dependent Claim
47 words
A chair as claimed in claim 1, wherein the sling is in the form of a closed covering for the bag and has an opening for inserting the bag into or removing the bag from the covering, and fastening means for closing said opening in the sling.
Claim 8
Dependent Claim
93 words
A chair as claimed in claim 1 and comprising an outer removable covering for each cushion, the outer covering comprising a flexible portion arranged to cover a major part of the cushion, extending from a top margin thereof over the front of the cushion and around a lower portion of the cushion and terminating behind the cushion, so as to cover all otherwise visible portions of the cushion; said outer covering including a top flap extending along a top margin of the covering and secured to the back supporting portion of the frame.
References Cited (Backward Citations)
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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) | 1986-07-04 | 1987-01-03 | 1987-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-04 | 1991-01-03 | 1991-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-04 | 1995-01-03 | 1995-07-05 | $7700.00 | Window Closed / Lapsed |