2704381

Information

• Patent Grant
• 2704381

• References
• Source

• Patent Number

  2,704,381

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1955
  69 years ago

• CPC

  • C04B28/34 - containing cold phosphate binders
  • C04B28/342 - the phosphate binder being present in the starting composition as a mixture of free acid and one or more reactive oxides
  • H01B3/06 - asbestos
  • H01H9/34 - Stationary parts for restricting or subdividing the arc
  • C04B2111/92 - Electrically insulating materials

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 501 - Compositions: ceramic