US4126719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced plastic products with decorated surfaces
Assignee: Inax Corp
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Filing: 1977-05-03
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Granted: 1978-11-21
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Expires: 1997-05-03
Abstract
Abstract Quadruple-layer reinforced plastic products having decorative surface designs resembling marble, onyx or the like. Each product comprises four layers: (a) a gel coat layer of clear thermosetting resin, (b) a printed fabric, woven or nonwoven, made of glass fiber or polyester fiber and impregnated with a clear thermosetting resin, (c) a background layer comprised of a thermosetting resin in which an inorganic pigment has been dispersed and (d) a backup layer of FRP.
Inventors
- 👤 Takuji Koyanagi
- 👤 Nobuhiro Ohno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:05
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/003; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B27/12; B32B27/18; B32B27/20; B32B5/00; B32B5/22; B32B5/24; B44; B44C; B44C5/00; B44C5/04; B44C5/0423; B44F; B44F9/00; B44F9/04; B29K; B29K2309/00; B29K2309/08; B32B2260/00; B32B2260/02; B32B2260/021; B32B2260/04; B32B2260/046; B32B2262/00; B32B2262/02; B32B2262/0276; B32B2262/10; B32B2262/101; B32B2264/00; B32B2264/10; B32B2264/102; B32B2305/00; B32B2305/08; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/131; Y10T428/1314; Y10T428/1352; Y10T428/1362; Y10T428/1366
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
127 words
A reinforced plastic product having a decorative surface design which comprises, either as a whole or in part, a quadruple-layer structure comprising: (a) a gel coat layer comprised of a clear thermosetting resin; (b) a woven or nonwoven fabric of glass fiber or polyester fiber, on which a desired decorative design has been printed and which has been impregnated with a clear thermoplastic resin and laid up on the inner side of said gel coat layer; (c) a background layer comprised of a thermosetting resin in which an inorganic pigment has been dispersed as laid up on the inner side of said decorated fabric; and (d) a backup layer comprised of a fiber reinforced plastic material as laid up on the inner side of said background layer.
Claim 2
Dependent Claim
127 words
A reinforced plastic product having a decorative surface design which comprises, either as a whole or in part, a quadruple-layer structure comprising: (a) a gel coat layer comprised of a clear thermosetting resin; (b) a woven or nonwoven fabric of glass fiber or polyester fiber, on which a desired decorative design has been printed and which has been impregnated with a clear thermoplastic resin and laid up on the inner side of said gel coat layer; (c) a background layer comprised of a thermosetting resin in which an inorganic pigment has been dispersed as laid up on the inner side of said decorated fabric; and (d) a backup layer comprised of a fiber reinforced plastic material as laid up on the inner side of said background layer.
Claim 3
Dependent Claim
21 words
A reinforced plastic product having a decorative surface design as set forth in claim 1 wherein said product is a bathtub.
Claim 4
Dependent Claim
22 words
A reinforced plastic product having a decorative surface design as set forth in claim 1 wherein said product is a wash basin.
Claim 5
Dependent Claim
23 words
A reinforced plastic product having a decorative surface design as set forth in claim 1 wherein said product is a bathroom waterproof pan.
Claim 6
Dependent Claim
22 words
A reinforced plastic product having a decorative surface design as set forth in claim 1 wherein said product is a rowboat hull.
Claim 7
Dependent Claim
35 words
A reinforced plastic product having a decorative surface design as set forth in claim 1 wherein said thermosetting resin is selected from the group consisting of unsaturated polyester resins, vinyl ester resins and epoxy resins.
Claim 8
Dependent Claim
24 words
A reinforced plastic product having a decorative surface design as set forth in claim 1, wherein said decorative surface design resembles onyx or marble.
Claim 9
Dependent Claim
21 words
A reinforced plastic product having a decorative surface design as set forth in claim 1, wherein said pigment is titanium oxide.
References Cited (Backward Citations)
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Cited
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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) | 1981-11-20 | 1982-05-22 | 1982-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-20 | 1986-05-22 | 1986-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-20 | 1990-05-22 | 1990-11-21 | $7700.00 | Window Closed / Lapsed |