2252697

Information

• Patent Grant
• 2252697

• References
• Source

• Patent Number

  2,252,697

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1941
  83 years ago

• CPC

  • B22F3/001 - Starting from powder comprising reducible metal compounds
  • C21B13/0093 - Protecting against oxidation
  • C21C3/00 - Manufacture of wrought-iron or wrought-steel
  • C22C33/0235 - Starting from compounds
  • Y10S76/04 - Chromium
  • Y10T29/5184 - Casting and working
  • Y10T428/12014 - having metal particles

• US Classifications

  • 419 - Powder metallurgy processes
  • 029 - Metal working
  • 072 - Metal deforming
  • 076 - Metal tools and implements, making
  • 100 - Presses
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 428 - Stock material or miscellaneous articles