Laminated plastic articles and method of making the same

• US 3,020,376 A
• Filed: 12/31/1956
• Issued: 02/06/1962
• Est. Priority Date: 12/31/1956
• Status: Expired due to Term

• Current Assignee: Eugene D. Esling, Hofmann, John J.
• Original Assignee: Eugene D. Esling, Hofmann, John J.
• Inventors: Hofmann, John J., Esling, Eugene D.
• Application Number:
  US03/631,584
• Time in Patent Office: 1,863 Days
• US Class Current: 219/536
• CPC Class Codes: B32B 15/08 of synthetic resin
• CPC Class Codes: B32B 17/10174 Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
• CPC Class Codes: B32B 17/10761 containing vinyl acetal
• CPC Class Codes: B32B 27/30 comprising vinyl (co)polymers; comprising acrylic (co)polymers
• CPC Class Codes: B32B 27/36 comprising polyesters
• CPC Class Codes: H01B 1/00 Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
• CPC Class Codes: H05B 2203/013 Heaters using resistive films or coatings
• CPC Class Codes: H05B 3/86 the heating conductors being embedded in the transparent or reflecting material H05B3/845 takes precedence
• CPC Class Codes: Y10T 428/31678 Of metal

Claims

1. 5. A TRANSPARENT ELECTRICALLY CONDUCTING UNIT, CONPRISING A FIRST TRANSPARENT SYNTHETIC RESINOUS PLASTIC SHEET HAVING A THERMALLY EVAPORATED ELECTRICALLY CONDUCTING FILM OF METAL ON A SURFACE THEROF, A PAIR OF SPACED BUS BARS IN ELECTRICAL CONTACT WITH SAID FILM, A SECOND TRANSPARENT SYNTHETIC RESINOUS PLASTIC SHEET OVERLYING SAID ELECTRICALLY CONDUCTIVE FILM AND A THIRD SHEET OF SYNTHETIC