US3770569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asbestos-plastic film laminates
Assignee: Nicolet Industries Inc
•
Filing: 1971-02-22
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Granted: 1973-11-06
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Expires: 1991-02-22
Abstract
Abstract An asbestos-plastic film laminate useful as a strippable, nonflammable wallpaper and which is dimensionally stable and mildew resistant, is made up of a first sheet of asbestos having a thickness of about 0.010 inch, a second sheet of asbestos built up and formed directly on said first sheet of asbestos, said second sheet of asbestos having a thickness of about 0.002 inch and a plastic film, e.g. a polyvinyl chloride film, applied to and affixed to the other side of said first sheet of asbestos, said plastic film having a thickness in the range from about 0.001 to about 0.003 inch.
Inventors
- 👤 R Breiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:22
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/12; B32B27/30; B32B27/304; B32B27/32; B32B5/00; B32B5/22; B32B5/24; B32B5/26; D; D06; D06N; D06N3/00; D06N3/0002; D06N3/0015; D06N3/002; D06N3/0022; D06N7/00; D06N7/0002; D21; D21H; D21H13/00; D21H13/36; D21H13/38; D21H13/42; D21H27/00; D21H27/18; D21H27/20; B32B2262/00; B32B2262/10; B32B2262/101; B32B2262/14; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2307/70; B32B2307/714; B32B2307/7145; B32B2307/732; B32B2307/734; B32B2323/00; B32B2323/04; B32B2327/00; B32B2327/06; B32B2607/00; B32B2607/02; D06N2209/00; D06N2209/06; D06N2209/067; D06N2209/16; D06N2209/1628; D06N2209/1671; D21H13/40; D21H13/44; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/63; D21H17/67; D21H21/00; D21H21/14; D21H21/38; D21H23/00; D21H23/02; D21H23/22; D21H23/30; D21H23/52; D21H23/64; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/31504; Y10T428/31652
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
16 words
An asbestos-plastic film laminate in accordance with claim 1 wherein said plastic film is polyvinyl chloride.
Claim 2
Dependent Claim
15 words
An asbestos-plastic film laminate in accordance with claim 1 wherein said plastic film is polyethylene.
Claim 3
Dependent Claim
16 words
An asbestos-plastic film laminate in accordance with claim 1 wherein said plastic film is polyvinylidene chloride.
Claim 4
Dependent Claim
37 words
An asbestos-plastic film laminate in acordance with claim 1 wherein said first sheet of asbestos comprises 80-90 percent by weight asbestos fiber, 1-3 percent by weight whitening agent and 2-18 percent by weight of an organic binder.
Claim 5
Dependent Claim
23 words
An asbestos-plastic film laminate in accordance with claim 5 wherein said whitening agent is titanium dioxide and wherein said binder is polyvinyl chloride.
Claim 6
Dependent Claim
71 words
An asbestos-plastic film laminate in accordance with claim 1 wherein said first sheet of asbestos comprises about 84 percent by weight asbestos fiber, about 15 percent by weight polyvinyl chloride as binder and about 1 percent by weight titanium dioxide as whitening agent, wherein said second sheet comprises 23 percent by weight glass fiber, about 75 percent by weight asbestos fiber and about 2 percent by weight polyvinyl chloride as binder.
Claim 7
Dependent Claim
26 words
An asbestos-plastic film laminate in accordance with claim 7 wherein said plastic film is affixed to said first sheet of asbestos by means of an adhesive.
References Cited (Backward Citations)
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US2272144A
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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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |