US4096304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced flexible panels
Assignee: BARNARDS Ltd SALHOUSE RDNORWICH
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Filing: 1977-05-02
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Granted: 1978-06-20
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Expires: 1997-05-02
Abstract
Abstract A fire-retardant sheet comprising, as four superposed layers, a fire-retardant paper sheet, coated on one surface with a plastic material and on the other surface with a metal foil and having a scrim of fibreglass between the foil and paper, said sheet additionally comprising a further plastic sheet or layer laminated thereto with the interposition of a mesh.
Inventors
- 👤 Michael Greengrass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:56
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/12; B32B15/02; B32B15/14; E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; E04B1/941; E04B1/942; B32B2255/00; B32B2255/12; B32B2255/26; B32B2262/00; B32B2262/10; B32B2262/101; B32B2305/00; B32B2305/38; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/109; Y10T442/11
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
68 words
A fire-retardant sheet comprising, as four superposed layers, a fire-retardant paper sheet, coated on one surface with a plastic material and on the other surface with a metal foil and having a scrim of glass reinforced fibre between the foil and paper, said sheet additionally comprising a further plastic sheet or layer laminated thereto, a mesh being interposed between said paper sheet and said plastic sheet or layer.
Claim 2
Dependent Claim
68 words
A fire-retardant sheet comprising, as four superposed layers, a fire-retardant paper sheet, coated on one surface with a plastic material and on the other surface with a metal foil and having a scrim of glass reinforced fibre between the foil and paper, said sheet additionally comprising a further plastic sheet or layer laminated thereto, a mesh being interposed between said paper sheet and said plastic sheet or layer.
Claim 3
Dependent Claim
20 words
A fire-retardant sheet as recited in claim 1, wherein the mesh and laminate are provided over the metal foil surface.
Claim 4
Dependent Claim
20 words
A fire-retardant sheet as recited in claim 1, wherein the mesh and laminate are provided over the plastic coated surface.
Claim 5
Dependent Claim
29 words
A fire-retardant sheet as recited in claim 1, wherein the plastic laminate which sandwiches the mesh to the foil or plastic coated surface is a sheet of fire-retardant polythene.
Claim 6
Dependent Claim
21 words
A fire-retardant sheet as recited in claim 1, wherein the interposed mesh is in the form of a metal support mesh.
Claim 7
Dependent Claim
17 words
A fire-retardant sheet as recited in claim 5, wherein the metal support mesh is of rectangular form.
Claim 8
Dependent Claim
16 words
A fire-retardant sheet as recited in claim 5, wherein the metal support mesh is of diamond-form.
Claim 9
Dependent Claim
17 words
A fire-retardant sheet as recited in claim 1, wherein the interposed mesh is a mesh of cords.
Claim 10
Dependent Claim
16 words
A fire-retardant sheet as recited in claim 8, wherein the mesh of cords is of nylon.
Claim 11
Dependent Claim
14 words
A fire-retardant sheet as recited in claim 8, wherein the mesh comprises linear strands.
Claim 12
Dependent Claim
17 words
A fire-retardant sheet as recited in claim 8, wherein the mesh comprises a cross matrix of strands.
References Cited (Backward Citations)
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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) | 1981-06-19 | 1981-12-19 | 1982-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-19 | 1985-12-19 | 1986-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-19 | 1989-12-19 | 1990-06-20 | $7700.00 | Window Closed / Lapsed |