Patent US4484781A successfully refreshed from Google Patents.
US4484781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flotation chair
Assignee: Individual
•
Filing: 1982-04-26
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Granted: 1984-11-27
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Expires: 2002-04-26
Abstract
Abstract A chair is provided which includes a low, rectangular seat cushion positioned between two large wedge-shaped cushions, one of which forms a backrest while the other forms a leg rest. The cushions are formed from individual air bags inserted within separate compartments in an upholstery cover and then inflated.
Inventors
- 👤 Kelsey L. Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:45
CPC Classifications
A; A47; A47C; A47C15/00; A47C15/004; A47C15/006; A47C3/00; A47C3/16; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
101 words
A flotation chair for supporting the user in a reclining position, said chair including a covering of durable pliable material forming an enclosure with three compartments formed therein, each compartment having an access opening and closure means for selectively opening and closing each access opening, three separate cushions each of which is removably received within a compartment, two of said cushions being wedge-shaped and the third being rectangular, said two cushions being spaced apart and positioned on either side of the third cushion, said covering closely surrounding and supporting the cushions to maintain their shape and resist distortion and deformation thereof.
Claim 2
Dependent Claim
101 words
A flotation chair for supporting the user in a reclining position, said chair including a covering of durable pliable material forming an enclosure with three compartments formed therein, each compartment having an access opening and closure means for selectively opening and closing each access opening, three separate cushions each of which is removably received within a compartment, two of said cushions being wedge-shaped and the third being rectangular, said two cushions being spaced apart and positioned on either side of the third cushion, said covering closely surrounding and supporting the cushions to maintain their shape and resist distortion and deformation thereof.
Claim 3
Dependent Claim
25 words
A flotation chair as defined in claim 1 wherein the two wedge-shaped cushions are inflatable air bags, one of which is smaller than the other.
Claim 4
Dependent Claim
26 words
A flotation chair as defined in claim 2 wherein the smaller inflatable air bag has an isosceles triangular cross-section and forms a legrest for the user.
Claim 5
Dependent Claim
22 words
A flotation chair as defined in claim 3 wherein the larger inflatable air bag has a triangular cross-section and forms a backrest.
Claim 6
Dependent Claim
24 words
A flotation chair as defined in claim 4 wherein the intermediate cushion is an inflatable air bag and forms a seat of the chair.
Claim 7
Dependent Claim
30 words
A flotation chair as defined in claim 5 wherein a pillow is attached to the compartment containing the larger air bag, said pillow including an air bag as a cushion.
Claim 8
Dependent Claim
28 words
A flotation chair as defined in claim 5 wherein armrests are attached to the compartment containing the larger air bag, each armest including a generally cylindrical air bag.
Claim 9
Dependent Claim
38 words
A flotation chair as defined in claim 5 wherein the covering includes a base panel which forms one wall of each compartment, said access openings are formed in the base panel, and the closure means is a zipper.
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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) | 1987-11-27 | 1988-05-28 | 1988-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-11-27 | 1992-05-28 | 1992-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-11-27 | 1996-05-28 | 1996-11-27 | $7700.00 | Window Closed / Lapsed |