METHOD OF REPAIRING ELECTRICALLY CONDUCTING FRIT CIRCUITS

• US 3,705,047 A
• Filed: 05/23/1969
• Issued: 12/05/1972
• Est. Priority Date: 05/23/1969
• Status: Expired due to Term

• Current Assignee: LOF Glass Incorporated
• Original Assignee: James G. Marriott
• Inventors: Marriott, James G.
• Application Number:
  US04/827,263
• Time in Patent Office: 1,292 Days
• US Class Current: 228/119
• CPC Class Codes: H05B 2203/016 Heaters using particular connecting means
• CPC Class Codes: H05B 2203/017 Manufacturing methods or apparatus for heaters
• CPC Class Codes: H05B 3/84 Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
• CPC Class Codes: H05K 1/092 Dispersed materials, e.g. conductive pastes or inks
• CPC Class Codes: H05K 3/225 Correcting or repairing of printed circuits H05K1/0292, H05K3/222, H05K3/288, H05K3/4685 take precedence
• CPC Class Codes: Y10S 428/901 Printed circuit
• CPC Class Codes: Y10T 29/49083 Heater type
• CPC Class Codes: Y10T 29/49099 Coating resistive material on a base
• CPC Class Codes: Y10T 29/49748 by shaping, e.g., bending, extruding, turning, etc.
• CPC Class Codes: Y10T 428/20 Patched hole or depression

Abstract

METHODS OF REPAIRING OR RESTORING ELECTRICAL HEATING CIRCUITS COMPOSED OF ELECTRICALLY CONDUCTING METAL CONTAINING FRIT LINES FIRED ON A VITREOUS SUBSTRATE, WHICH LINES CONTAIN CRACKS OR DISCONTINUITIES THEREIN THAT RENDER SUCH LINES NONCONDUCTIVE.

Claims