Patent US4230364A successfully refreshed from Google Patents.
US4230364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipurpose chair
Assignee: TRABER ARTHUR
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Filing: 1978-04-12
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Granted: 1980-10-28
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Expires: 1998-04-12
Abstract
Abstract A chair is constructed of water insensitive materials and is used in position on a smooth surfaced floor such as a linoleum floor, a hardwood floor or the floor of a bath tub or wading pool. The chair includes front legs which are equipped with suction cups to immobilize the chair, and inclined back support rails. The chair includes a flexible porous webbing which supports a seated occupant in a supine position with thighs upwardly and forwardly inclined and with buttocks located just above the surface of the floor.
Inventors
- 👤 Charles F. Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:49
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/12; A47K3/125; A47C; A47C9/00; Y; Y10; Y10S; Y10S297/00; Y10S297/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
203 words
A portable chair constructed of water insensitive materials and having a pair of front legs joined by a transverse front cross bar and terminating in lower extremities equipped with suction devices for vacuum adhesion to a floor wherein said front cross bar is located well above the level of said floor, a pair of inclined back support rails joined together at extremities remote from said front legs by a transverse rear cross bar and oriented to provide supine back support, rear support means directly connected to said back support rails and providing rear support relative to said floor, side support rails that extend forwardly from said rear support means to said front legs above the level of said forward cross bar wherein said rails, said legs and said support means are all joined together in fixed immobile arrangement, and are constructed of short sections of hollow, plastic tubing, including joints formed by elbows and T-shaped sections, and a flexible porous sheet of webbing extending from said transverse front cross bar sharply downward to a level closely approaching said floor immediately behind said suction devices and from there upward and rearward to said rear cross bar and upward laterally to said side support rails.
Claim 2
Dependent Claim
203 words
A portable chair constructed of water insensitive materials and having a pair of front legs joined by a transverse front cross bar and terminating in lower extremities equipped with suction devices for vacuum adhesion to a floor wherein said front cross bar is located well above the level of said floor, a pair of inclined back support rails joined together at extremities remote from said front legs by a transverse rear cross bar and oriented to provide supine back support, rear support means directly connected to said back support rails and providing rear support relative to said floor, side support rails that extend forwardly from said rear support means to said front legs above the level of said forward cross bar wherein said rails, said legs and said support means are all joined together in fixed immobile arrangement, and are constructed of short sections of hollow, plastic tubing, including joints formed by elbows and T-shaped sections, and a flexible porous sheet of webbing extending from said transverse front cross bar sharply downward to a level closely approaching said floor immediately behind said suction devices and from there upward and rearward to said rear cross bar and upward laterally to said side support rails.
Claim 3
Dependent Claim
55 words
The chair of claim 1 further characterized in that said rear support means comprises a pair of rear legs connected to said back support rails and extending downwardly and rearwardly from the extremities of said back support rails nearest said front legs, and joined together by an intermediate cross bar proximate to said area floor.
Claim 4
Dependent Claim
38 words
The chair of claim 2 further comprising a pair of back support braces interconnecting said rear support means and said back support rails at locations remote from the forward interconnection thereof to enhance the rigidity of supine support.
Claim 5
Dependent Claim
28 words
The chair of claim 1 further comprising safety strap means mounted at the rearward extremities of said side support rails to immobilize the hips of a chair occupant.
Claim 6
Dependent Claim
25 words
The chair of claim 1 further comprising safety strap means mounted on said back support rails for holding a chair occupant in a supine position.
Claim 7
Dependent Claim
35 words
The chair of claim 1 further comprising safety strap means mounted on said front legs and extending therebetween above said forward cross bar to limit the upward movement of the knees of a chair occupant.
Claim 8
Dependent Claim
60 words
The chair of claim 1 further characterized in that said webbing comprises a rear pocket which fits over said rear cross bar and over the rearward portions of said back support rails, and zipper means for releasably securing a flap of said webbing about said forward cross bar, whereby said webbing is removable from said rails, legs and support means.
Claim 9
Dependent Claim
22 words
The chair of claim 1 further characterized in that said webbing is constructed of webbing with a polyester core reinforced with nylon.
Claim 10
Dependent Claim
19 words
The chair of claim 1 further characterized in that said suction devices are removably attached to said front legs.
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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) | 1983-10-28 | 1984-04-28 | 1984-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-28 | 1988-04-28 | 1988-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-28 | 1992-04-28 | 1992-10-28 | $7700.00 | Window Closed / Lapsed |