2201840

Information

• Patent Grant
• 2201840

• References
• Source

• Patent Number

  2,201,840

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1940
  84 years ago

• CPC

  • H01B3/06 - asbestos
  • C04B20/1055 - with inorganic materials
  • C04B26/22 - Natural resins
  • Y10S8/01 - Silicones
  • Y10S138/07 - Resins
  • Y10T428/31652 - Of asbestos

• US Classifications

  • 427 - Coating processes
  • 008 - Bleaching and dyeing
  • 138 - Pipes and tubular conduits
  • 428 - Stock material or miscellaneous articles