3886335

Information

• Patent Grant
• 3886335

• References
• Source

• Patent Number

  3,886,335

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1975
  50 years ago

• CPC

  • H01H13/807 - characterised by the spatial arrangement of the contact sites
  • B41J5/08 - Character or syllable selected by means of keys or keyboards of the typewriter type
  • H01H13/702 - with contacts carried by or formed from layers in a multilayer structure
  • H01H13/785 - characterised by the material of the contacts
  • H03K17/967 - having a plurality of control members
  • H01H13/703 - characterised by spacers between contact carrying layers
  • H01H2201/03 - Composite
  • H01H2203/008 - Wires
  • H01H2207/004 - Printed circuit tail
  • H01H2207/02 - Solder
  • H01H2207/026 - Pressure contact
  • H01H2209/002 - Materials
  • H01H2209/006 - Force isolators
  • H01H2209/038 - transparent
  • H01H2209/06 - transparent
  • H01H2209/082 - transparent
  • H01H2211/016 - Wires
  • H01H2219/036 - Light emitting elements
  • H01H2225/022 - other then row-column disposition
  • H01H2227/002 - Layer thickness
  • H01H2227/018 - Printed contacts Metal foil
  • H01H2229/022 - Modular assembly
  • H01H2229/028 - Adhesive
  • H01H2229/034 - Positioning of layers

• US Classifications

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