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US3846217A Expired / Lapsed US ⏱️ 0.0 years remaining

Postformable thermoset resin containing fibrous laminate and process of postforming the same

Assignee: Formica Corp
•
Filing: 1972-06-02
•
Granted: 1974-11-05
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Expires: 1992-06-02
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Abstract

Abstract 1. A DECORATIVE LAMINATE COMPRISING A PLURALITY OF FIBROUS CORE SHEETS AND A FIBROUS DECORATIVE SHEET WHICH ARE IMPREGNATED WITH A THERMOSET RESIN AND WHICH HAVE BEEN HEAT AND PRESSURE CONSOLIDATED INTO A UNITARY STRUCTURE, SAID LAMINATE HAVING COATED ON AT LEAST ONE OF ITS BROAD SURFACES WHEREAT POSTFORMING IS TO BE EFFECTED, A SUBSTANTIALLY UNIFORMLY THICKNESS COATING CONSISTING ESSENTIALLY OF A SUBSTANTIALLY STRAIN-RESISTANT, SLIP-RESISTANT, NONEXTENSIBLE DRY ADHESIVE MATERIAL WHICH RETARDS LAMINATE SURFACE STRETCH DURING DEFORMING, HAS A REINFORCING LAYER EMBEDDED THEREIN AND IS READILY REMOVABLE FROM SAID SURFACE, WHEREIN SAID COATING COVERS SAID LAMINATE SUBSTANTIALLY FROM EDGE TO EDGE IN AT LEAST ONE DIRECTION, SAID LAMINATE BEING CAPABLE OF BEING POSTFORMED THROUGH A RADIUS OF BETWEEN ABOUT 0'''' AND 1'''' IN THE AREA OF SAID COATING WITHOUT DISPLAYING ANY SIGN OF CRAZING OR CRACKING UPON REMOVAL OF SAID COATING THEREFROM.

Inventors

  • 👤 G Grosheim

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 09:39
CPC Classifications
B; B44; B44C; B44C5/00; B44C5/04; B44C5/0469; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/19; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T428/249982; Y10T428/249985; Y10T428/31504; Y10T428/31725; Y10T428/31761; Y10T428/31768; Y10T428/31772; Y10T428/31775; Y10T428/31855; Y10T428/31859; Y10T428/31862; Y10T428/31866; Y10T442/00; Y10T442/30; Y10T442/3927; Y10T442/3943

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 140 words
A DECORATIVE LAMINATE COMPRISING A PLURALITY OF FIBROUS CORE SHEETS AND A FIBROUS DECORATIVE SHEET WHICH ARE IMPREGNATED WITH A THERMOSET RESIN AND WHICH HAVE BEEN HEAT AND PRESSURE CONSOLIDATED INTO A UNITARY STRUCTURE, SAID LAMINATE HAVING COATED ON AT LEAST ONE OF ITS BROAD SURFACES WHEREAT POSTFORMING IS TO BE EFFECTED, A SUBSTANTIALLY UNIFORMLY THICKNESS COATING CONSISTING ESSENTIALLY OF A SUBSTANTIALLY STRAIN-RESISTANT, SLIP-RESISTANT, NONEXTENSIBLE DRY ADHESIVE MATERIAL WHICH RETARDS LAMINATE SURFACE STRETCH DURING DEFORMING, HAS A REINFORCING LAYER EMBEDDED THEREIN AND IS READILY REMOVABLE FROM SAID SURFACE, WHEREIN SAID COATING COVERS SAID LAMINATE SUBSTANTIALLY FROM EDGE TO EDGE IN AT LEAST ONE DIRECTION, SAID LAMINATE BEING CAPABLE OF BEING POSTFORMED THROUGH A RADIUS OF BETWEEN ABOUT 0'''' AND 1'''' IN THE AREA OF SAID COATING WITHOUT DISPLAYING ANY SIGN OF CRAZING OR CRACKING UPON REMOVAL OF SAID COATING THEREFROM.
Claim 2
Dependent Claim 140 words
A DECORATIVE LAMINATE COMPRISING A PLURALITY OF FIBROUS CORE SHEETS AND A FIBROUS DECORATIVE SHEET WHICH ARE IMPREGNATED WITH A THERMOSET RESIN AND WHICH HAVE BEEN HEAT AND PRESSURE CONSOLIDATED INTO A UNITARY STRUCTURE, SAID LAMINATE HAVING COATED ON AT LEAST ONE OF ITS BROAD SURFACES WHEREAT POSTFORMING IS TO BE EFFECTED, A SUBSTANTIALLY UNIFORMLY THICKNESS COATING CONSISTING ESSENTIALLY OF A SUBSTANTIALLY STRAIN-RESISTANT, SLIP-RESISTANT, NONEXTENSIBLE DRY ADHESIVE MATERIAL WHICH RETARDS LAMINATE SURFACE STRETCH DURING DEFORMING, HAS A REINFORCING LAYER EMBEDDED THEREIN AND IS READILY REMOVABLE FROM SAID SURFACE, WHEREIN SAID COATING COVERS SAID LAMINATE SUBSTANTIALLY FROM EDGE TO EDGE IN AT LEAST ONE DIRECTION, SAID LAMINATE BEING CAPABLE OF BEING POSTFORMED THROUGH A RADIUS OF BETWEEN ABOUT 0'''' AND 1'''' IN THE AREA OF SAID COATING WITHOUT DISPLAYING ANY SIGN OF CRAZING OR CRACKING UPON REMOVAL OF SAID COATING THEREFROM.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-04 1978-05-06 1978-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-04 1982-05-06 1982-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-04 1986-05-06 1986-11-05 $7700.00 Window Closed / Lapsed

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