3777222

Information

• Patent Grant
• 3777222

• References
• Source

• Patent Number

  3,777,222

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1973
  51 years ago

• CPC

  • H01H13/702 - with contacts carried by or formed from layers in a multilayer structure
  • G06F3/0488 - using a touch-screen or digitiser
  • H01H2203/05 - to avoid damage by deformation of layers
  • H01H2207/004 - Printed circuit tail
  • H01H2209/002 - Materials
  • H01H2209/014 - composed of different layers Lubricant in between
  • H01H2209/016 - Protection layer
  • H01H2215/03 - Sound
  • H01H2217/016 - Pressure reduction membrane Spreader layer
  • H01H2219/002 - replaceable adaptable
  • H01H2219/008 - Adhesive
  • H01H2219/014 - LED
  • H01H2219/034 - Coloured areas
  • H01H2219/04 - Attachments Connections
  • H01H2221/002 - integral with membrane
  • H01H2227/002 - Layer thickness

• US Classifications

  • 341 - Coded data generation or conversion
  • 200 - Electricity: circuit makers and breakers
  • 235 - Registers