3643041

Information

• Patent Grant
• 3643041

• References
• Source

• Patent Number

  3,643,041

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • H01H13/785 - characterised by the material of the contacts
  • H01H13/702 - with contacts carried by or formed from layers in a multilayer structure
  • H01H2201/026 - non precious
  • H01H2203/004 - Rivet
  • H01H2203/032 - Metal foil
  • H01H2209/07 - metallic
  • H01H2215/008 - Part of substrate or membrane
  • H01H2223/036 - forming chamfered apertures for keys
  • H01H2227/004 - Membrane
  • H01H2227/022 - Collapsable dome
  • H01H2239/006 - Containing a capacitive switch or usable as such

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 361 - Electricity: electrical systems and devices