3699294

Information

• Patent Grant
• 3699294

• References
• Source

• Patent Number

  3,699,294

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • H01H13/785 - characterised by the material of the contacts
  • H01H1/029 - comprising conducting material dispersed in an elastic support or binding material
  • H01H13/702 - with contacts carried by or formed from layers in a multilayer structure
  • H01H13/703 - characterised by spacers between contact carrying layers
  • H01H2201/016 - Roughened contact surface
  • H01H2201/032 - Conductive polymer Rubber
  • H01H2209/014 - composed of different layers Lubricant in between
  • H01H2209/03 - elastomeric
  • H01H2209/052 - elastomeric
  • H01H2209/074 - elastomeric
  • H01H2209/078 - Conductive rubber
  • H01H2215/002 - Longer travel
  • H01H2217/006 - Different feeling for different switch sites
  • H01H2217/012 - Two keys simultaneous considerations
  • H01H2217/016 - Pressure reduction membrane Spreader layer
  • H01H2223/002 - sealed
  • H01H2223/036 - forming chamfered apertures for keys
  • H01H2223/052 - reductible in size
  • H01H2225/018 - Consecutive operations
  • H01H2227/002 - Layer thickness
  • H01H2227/012 - Conductive rubber
  • H01H2229/022 - Modular assembly
  • H01H2229/028 - Adhesive
  • H01H2231/002 - Calculator, computer
  • H01H2231/038 - Level sensing or limit switch
  • H01H2231/05 - Card
  • H01H2239/026 - Internal encoding

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 341 - Coded data generation or conversion