US4903358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-resistant seating, in particular aircraft seats
Assignee: Recticel NV SA
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Filing: 1988-09-22
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Granted: 1990-02-27
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Expires: 2008-09-22
Abstract
Abstract Fire-resistant seating, in particular aircraft seats, which consist of at least a soft, supporting material and a cover, between which there is a fire-resistant intermediate layer, which is a combination of a layer of glass fabric, which is firmly attached to the soft supporting material, and a layer of polyurethane foam, which has been rendered fire-resistant and is firmly attached both to the layer of glass fabric and to the cover.
Inventors
- 👤 Hubert S. G. Creyf
- 👤 Eddie R. Du Prez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:32
CPC Classifications
B; B64; B64D; B64D11/00; B64D11/06; B64D11/0647; A; A47; A47C; A47C31/00; A47C31/001; A47C7/00; A47C7/02; A47C7/18; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S5/00; Y10S5/954; Y10T; Y10T428/00; Y10T428/23; Y10T428/239; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T428/249986
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
104 words
Fire-resistant seating, such as aircraft seats, which comprises at least a soft, supporting material and a cover, between which there is a fire-resistant intermediate layer, which is a combination of a layer of polyurethane foam which has been rendered fire-resistant having a thickness between 1 mm to 15 mm, and a fiberglass fabric, characterized in that the fire-resistant intermediate layer is a combination of a layer of fiberglass fabric, which is firmly attached to the soft supporting material, and a layer of polyurethane foam, which has been rendered fire-resistant and is firmly attached both to the layer of fiberglass fabric and to the cover.
Claim 2
Dependent Claim
104 words
Fire-resistant seating, such as aircraft seats, which comprises at least a soft, supporting material and a cover, between which there is a fire-resistant intermediate layer, which is a combination of a layer of polyurethane foam which has been rendered fire-resistant having a thickness between 1 mm to 15 mm, and a fiberglass fabric, characterized in that the fire-resistant intermediate layer is a combination of a layer of fiberglass fabric, which is firmly attached to the soft supporting material, and a layer of polyurethane foam, which has been rendered fire-resistant and is firmly attached both to the layer of fiberglass fabric and to the cover.
Claim 3
Dependent Claim
21 words
Seating according to claim 1, characterized in that the fiberglass fabric has a weight per unit surface area of 50-300 g/m2.
Claim 4
Dependent Claim
12 words
Seating according to claims 1 or 2, provided with a fire-resistant cover.
References Cited (Backward Citations)
FR2283201A1
Cited
US4092752A
Cited
GB2045072A
Cited
GB2096943A
Cited
US4439472A
Cited
DE3100994A1
Cited
US4504991A
Cited
US4690859A
Cited
DE3512790A1
Cited
EP0231968A1
Cited
NL8600242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-02-26 | 1993-08-28 | 1994-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-26 | 1997-08-28 | 1998-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-26 | 2001-08-28 | 2002-02-27 | $7700.00 | Window Closed / Lapsed |