Electrically heated footwear

• US 3,293,405 A
• Filed: 09/13/1965
• Issued: 12/20/1966
• Est. Priority Date: 09/13/1965
• Status: Expired due to Term

• Current Assignee: Raphael J. Costanzo
• Original Assignee: Raphael J. Costanzo
• Inventors: Costanzo, Raphael J.
• Application Number:
  US04/487,011
• Time in Patent Office: 463 Days
• US Class Current: 219/211
• CPC Class Codes: A41B 11/00 Hosiery; Panti-hose elastic stockings for curative purposes A61F13/08
• CPC Class Codes: A41D 13/0051 Heated garments heated divers' suits B63C11/28
• CPC Class Codes: H05B 2203/014 Heaters using resistive wires or cables not provided for in H05B3/54
• CPC Class Codes: H05B 2203/017 Manufacturing methods or apparatus for heaters
• CPC Class Codes: H05B 2203/032 Heaters specially adapted for heating by radiation heating
• CPC Class Codes: H05B 2203/036 Heaters specially adapted for garment heating
• CPC Class Codes: H05B 3/342 heaters used in textiles

Claims

2. IN COMBINATION (A) A WOVEN SOCK HAVING A TOE PORTION, A HEEL PORTION AND A CONNECTED LEG PORTION, (B) MEANS DEFINING A POCKET ADJACENT THE UPPER END OF SAID LEG PORTION ADAPTED TO RECEIVE A LOW VOLTAGE BATTERY OF LESS THAN 6 VOLTS, (C) ELECTRICAL NON-CONDUCTIVE MEANS DEFINING A POCKET IN THE TOE PORTION OF SAID SOCK, (D) A HEATER DISPOSED IN SAID TOE POCKET, (E) SAID HEATER INCLUDING A FLAT RESISTOR STRIP OF ELECTRICCAL RESISTANCE MATERIAL, (F) RADIATION MEANS CONNECTED IN HEAT TRANSFER RELATIONSHIP TO SAID FLAT RESISTOR STRIP FOR DEFINING AN EXPANDED RADIATION SURFACE FOR SAID HEATER,