US4803118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite cushion
Assignee: Toyo Tire Corp
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Filing: 1988-04-08
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Granted: 1989-02-07
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Expires: 2008-04-08
Abstract
Abstract A composite cushion, useful for vehicle transportation, furniture and bedding, of foam having a fabric embedded therein which provides a spring function, good seating comfort and soft suspension, and which maintain its shape and desirable properties for a long period.
Inventors
- 👤 Hidehito Sogi
- 👤 Toshiyuki Hori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:35
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/16; A47C7/00; A47C7/02; A47C7/18; A47C7/20; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T428/249986; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/3179; Y10T442/322; Y10T442/3228; Y10T442/326; Y10T442/3325; Y10T442/3341
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
84 words
A composite cushion comprising at least two layers of foam having embedded therebetween at least one layer of fabric parallel to the planes of the foam layers, the fabric woven having a warp and a weft which are joined at the intersections, the fabric comprising a weft of elastomeric monofilament with a filament size of 0.125 mm-1.5 mm and a warp of yarn or elastomeric monofilament, the cushion having a spring function which is a composite of the individual components of the foam cushion.
Claim 2
Dependent Claim
84 words
A composite cushion comprising at least two layers of foam having embedded therebetween at least one layer of fabric parallel to the planes of the foam layers, the fabric woven having a warp and a weft which are joined at the intersections, the fabric comprising a weft of elastomeric monofilament with a filament size of 0.125 mm-1.5 mm and a warp of yarn or elastomeric monofilament, the cushion having a spring function which is a composite of the individual components of the foam cushion.
Claim 3
Dependent Claim
36 words
A composite cushion of claim 1 comprising at least two layers of fabric, in which the wefts in the layers of fabric differ in either or both of the number of picks or types of monofilament.
Claim 4
Dependent Claim
17 words
A composite cushion of claim 1 wherein the polymer used in the weft and warp filaments differ.
Claim 5
Dependent Claim
17 words
A composite cushion of claim 2 wherein the polymer used in the weft and warp filaments differ.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-02-07 | 1992-08-08 | 1993-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-07 | 1996-08-08 | 1997-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-07 | 2000-08-08 | 2001-02-07 | $7700.00 | Window Closed / Lapsed |