2253969

Information

• Patent Grant
• 2253969

• References
• Source

• Patent Number

  2,253,969

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1941
  83 years ago

• CPC

  • C22C29/06 - based on carbides, but not containing other metal compounds
  • F16C33/043 - Sliding surface consisting mainly of ceramics, cermets or hard carbon
  • Y10S4/08 - Rubber seats
  • Y10S384/912 - Metallic

• US Classifications

  • 384 - Bearings
  • 004 - Baths, closets, sinks, and spittoons
  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
  • 419 - Powder metallurgy processes