Patent US4099278A successfully refreshed from Google Patents.
US4099278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat construction
Assignee: Individual
•
Filing: 1977-06-02
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Granted: 1978-07-11
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Expires: 1997-06-02
Abstract
Abstract A seat construction is comprised of a relatively rigid support, a first cushion supported at its bottom surface on the support and having a recessed portion formed in its bottom, a second cushion supported at its bottom surface on the support and contained within the recessed portion of the first cushion, the first cushion being made of a resilient material of a relatively high density and compression characteristic and the second cushion being made of a resilient material that is softer and has a lower compression characteristic than the first cushion and a cover enclosing the outer surface of the first cushion and secured to the support.
Inventors
- 👤 Joseph J. Parisi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:32
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/18; A47C7/185; Y; Y10; Y10S; Y10S297/00; Y10S297/01
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
116 words
A seat construction comprising: a relatively rigid support, a first cushion supported at its bottom surface on said support and having a recessed portion formed in its bottom, a second cushion supported at its bottom surface on said support and contained within said recessed portion of said first cushion, said second cushion and said recessed portion being confined to a limited region of said first cushion with a depth substantially less than the depth of said first cushion, said first cushion made of a resilient material, said second cushion being made of a resilient material softer than said first cushion, and a cover enclosing the outer surface of said first cushion and secured to said support.
Claim 2
Dependent Claim
116 words
A seat construction comprising: a relatively rigid support, a first cushion supported at its bottom surface on said support and having a recessed portion formed in its bottom, a second cushion supported at its bottom surface on said support and contained within said recessed portion of said first cushion, said second cushion and said recessed portion being confined to a limited region of said first cushion with a depth substantially less than the depth of said first cushion, said first cushion made of a resilient material, said second cushion being made of a resilient material softer than said first cushion, and a cover enclosing the outer surface of said first cushion and secured to said support.
Claim 3
Dependent Claim
19 words
A seat construction according to claim 1 wherein said first and second cushions are made of a foam material.
Claim 4
Dependent Claim
42 words
A seat construction according to claim 2 wherein said recessed portion is elongated along the width of the seat construction and said second cushion is shaped to conform to the shape of said recessed portion to provide a core filling the same.
Claim 5
Dependent Claim
22 words
A seat construction according to claim 3 wherein said second cushion and said recessed portion have sloped end walls in side-by-side relation.
Claim 6
Dependent Claim
22 words
A seat construction according to claim 3 wherein said second cushion and said recessed portion have mating surfaces having an arcuate shape.
Claim 7
Dependent Claim
20 words
A seat construction according to claim 5 wherein said second cushion and said recessed portion have mating sloped end walls.
Claim 8
Dependent Claim
50 words
A seat construction according to claim 3 wherein said recessed portion has a flat bottom and a pair of sloped side walls extending from said flat bottom to the bottom surface of said first cushion and said second cushion has surfaces mating with said flat bottom and sloped side walls.
Claim 9
Dependent Claim
20 words
A seat construction according to claim 7 wherein said second cushion and said recessed portion have mating sloped end walls.
Claim 10
Dependent Claim
26 words
A seat construction according to claim 3 wherein said recessed portion is approximately centered on and extends along the natural seating line of the seat construction.
Claim 11
Dependent Claim
18 words
A seat construction according to claim 2 wherein said second cushion forms an insert filling said recessed portion.
Claim 12
Dependent Claim
31 words
A seat construction according to claim 10 wherein said second cushion has a plurality of holes spaced apart from each other and extending through said second cushion from the bottom thereof.
Claim 13
Dependent Claim
27 words
A seat construction according to claim 11 wherein said spaced apart holes are arranged in a pair of rows extending along the width of the seat construction.
Claim 14
Dependent Claim
24 words
A seat construction according to claim 2 wherein the indentation load deflection of said second cushion is less than that of said first cushion.
Claim 15
Dependent Claim
29 words
A seat construction according to claim 1 wherein said second cushion is removably positioned within said recessed portion of said first cushion to permit the substitution of another cushion.
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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) | 1981-07-10 | 1982-01-09 | 1982-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-10 | 1986-01-09 | 1986-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-10 | 1990-01-09 | 1990-07-11 | $7700.00 | Window Closed / Lapsed |