3626744

Information

• Patent Grant
• 3626744

• References
• Source

• Patent Number

  3,626,744

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1971
  53 years ago

• CPC

  • B22F3/1109 - Inhomogenous pore distribution
  • B01D39/20 - of inorganic material
  • B01D39/2034 - sintered or bonded by inorganic agents
  • B21C37/14 - Making tubes from double flat material
  • B22F3/172 - Continuous compaction
  • B22F3/24 - After-treatment of workpieces or articles

• US Classifications

  • 072 - Metal deforming
  • 419 - Powder metallurgy processes