1951397

Information

• Patent Grant
• 1951397

• References
• Source

• Patent Number

  1,951,397

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1934
  90 years ago

• CPC

  • C21D9/40 - for rings for bearing races
  • Y10T29/49277 - including casting or molding

• US Classifications

  • 029 - Metal working