Patent US4935281A successfully refreshed from Google Patents.
US4935281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame barrier office building materials
Assignee: Springs Industries Inc
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Filing: 1989-04-05
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Granted: 1990-06-19
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Expires: 2009-04-05
Abstract
Abstract A flame-resistant office building material for use as office panel partitions, wall panels, wall coverings, ceiling panels, floor and the like is provided. The building material comprises a rigid core support material, a decorative outer surface layer, and a fiber-based flame barrier layer positioned between the support material and the surface layer. The barrier layer comprises a flame durable fabric substrate formed of fire-resistant fibers.
Inventors
- 👤 Thomas W. Tolbert
- 👤 James E. Hendrix
- 👤 Jeffery S. Dugan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:30
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; B; B32; B32B; B32B3/00; B32B3/10; B32B3/12; B32B15/00; B32B15/04; B32B15/14; B32B15/20; B32B7/00; B32B7/04; B32B7/12; E04B1/941; E04B1/942; E04B2/00; E04B2/74; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/24; E04C2/26; E04C2/284; B32B2250/00; B32B2250/05; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2607/00; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T442/00; Y10T442/30; Y10T442/3382; Y10T442/3415; Y10T442/3431; Y10T442/3439; Y10T442/3976; Y10T442/3984
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
66 words
An office building material having improved flame resistance properties comprising a rigid core support material, a decorative outer surface layer, and a fiber-based flame barrier layer positioned between said support material and said surface layer, said barrier layer comprising a flame durable fabric substrate formed of fire-resistant fibers and a flexible metal foil layer bonded together, with said metal foil layer oriented toward said support material.
Claim 2
Dependent Claim
66 words
An office building material having improved flame resistance properties comprising a rigid core support material, a decorative outer surface layer, and a fiber-based flame barrier layer positioned between said support material and said surface layer, said barrier layer comprising a flame durable fabric substrate formed of fire-resistant fibers and a flexible metal foil layer bonded together, with said metal foil layer oriented toward said support material.
Claim 3
Dependent Claim
36 words
An office building material according to claim 1 wherein said fire-resistant fibers are selected from fibers of the group consisting of glass, polybenzimidazole, polyimides, polyarenes, metals, polyamides, polyaramids and carbon and carbonizable compounds and blends thereof.
Claim 4
Dependent Claim
35 words
The office building material according to claim 1 wherein said flexible metal foil layer comprises a metal foil selected from the group consisting of aluminum, stainless steel, copper, titanium, gold, silver, platinum and alloys thereof.
Claim 5
Dependent Claim
24 words
The office building material according to claim 3 wherein said flexible metal foil layer has a thickness of from about 0.25 to 5 mil.
Claim 6
Dependent Claim
24 words
The office building material according to claim 3 wherein said flexible metal foil layer has a thickness of from about 0.5 to 2 mil.
Claim 7
Dependent Claim
27 words
The office building material according to claim 1 wherein said rigid core support material comprises a honeycombed corrugated paperboard inner core and a particle board outer core.
Claim 8
Dependent Claim
27 words
The office building material according to claim 1 wherein said fabric substrate and said metal foil layer are bonded together using a thermoplastic or thermosetting laminating adhesive.
Claim 9
Dependent Claim
35 words
The office building material according to claim 7 wherein said laminating adhesive is selected from the group consisting of neoprene, polyamide, polyester, polyvinylidene chloride, polyvinyl chloride, polyvinyl acetate, ethylene-vinyl acetate, acrylic adhesives and blends thereof.
Claim 10
Dependent Claim
66 words
An office building material having improved flame resistance properties comprising a rigid core support material, a decorative surface layer and a fiberglass-based flame barrier layer positioned between said support material and said surface layer, said barrier layer comprising a flame durable non-woven fabric substrate formed from fiberglass and a flexible aluminum foil layer adhesively bonded to said non-woven fabric substrate and oriented toward said support material.
Claim 11
Dependent Claim
66 words
An office building material having improved flame resistance properties comprising a rigid core support material, a decorative surface layer and a fiberglass-based flame barrier layer positioned between said support material and said surface layer, said barrier layer comprising a flame durable non-woven fabric substrate formed from fiberglass and a flexible aluminum foil layer adhesively bonded to said non-woven fabric substrate and oriented toward said support material.
Claim 12
Dependent Claim
23 words
The office building material according to claim 9 wherein said flexible aluminum layer has a thickness of from about 0.25 to 5 mil.
Claim 13
Dependent Claim
24 words
The office building material according to claim 9 wherein said flexible metal foil layer has a thickness of from about 0.5 to 2 mil.
Claim 14
Dependent Claim
27 words
The office building material according to claim 9 wherein said rigid core support material comprises a honeycombed corrugated paperboard inner core and a particle board outer core.
Claim 15
Dependent Claim
29 words
The office building material according to claim 9 wherein said non-woven fabric substrate and said flexible aluminum foil layer are bonded together using a theremoplastic or thermosetting laminating adhesive.
Claim 16
Dependent Claim
35 words
The office building material according to claim 13 wherein said laminating adhesive is selected from the group consisting of neoprene, polyamide, polyester, polyvinylidene chloride, polyvinyl chloride, polyvinyl acetate, ethylene-vinyl acetate, acrylic adhesives and blends thereof.
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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) | 1993-06-18 | 1993-12-18 | 1994-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-06-18 | 1997-12-18 | 1998-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-06-18 | 2001-12-18 | 2002-06-19 | $7700.00 | Window Closed / Lapsed |