3856979

Information

• Patent Grant
• 3856979

• References
• Source

• Patent Number

  3,856,979

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • H01B9/027 - composed of semi-conducting layers
  • H01B7/29 - Protection against damage caused by extremes of temperature or by flame
  • H01B9/0622 - Cables for use in conduits under gas-pressure
  • Y10S138/06 - Corrosion
  • Y10T428/1317 - Multilayer [continuous layer]

• US Classifications

  • 174 - Electricity: conductors and insulators
  • 138 - Pipes and tubular conduits
  • 338 - Electrical resistors
  • 428 - Stock material or miscellaneous articles
  • 501 - Compositions: ceramic