2640171

Information

• Patent Grant
• 2640171

• References
• Source

• Patent Number

  2,640,171

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1953
  71 years ago

• CPC

  • H01J13/12 - Positioning or moving the cathode spot on the surface of the pool
  • H01J13/06 - Cathodes
  • H01J17/06 - Cathodes
  • H01J2893/0075 - Cathodic cups
  • Y10S428/926 - Thickness of individual layer specified
  • Y10T428/12042 - Porous component

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 313 - Electric lamp and discharge devices
  • 419 - Powder metallurgy processes
  • 445 - Electric lamp or space discharge component or device manufacturing