3640929

Information

• Patent Grant
• 3640929

• References
• Source

• Patent Number

  3,640,929

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  53 years ago

• CPC

  • H01B17/265 - Fastening of insulators to support
  • C08K5/29 - Compounds containing one or more carbon-to-nitrogen double bonds
  • C08K7/12 - Asbestos
  • H01H1/06 - characterised by the shape or structure of the contact-making surface
  • H01H9/34 - Stationary parts for restricting or subdividing the arc
  • H01H9/44 - using blow-out magnet
  • H01H33/32 - pneumatic
  • H02B13/045 - Details of casing
  • H01H2001/145 - by crossing each other, the cooperating contacts each having a contact making ridge perpendicular to each other

• US Classifications

  • 524 - Synthetic resins or natural rubbers