2390614

Information

• Patent Grant
• 2390614

• References
• Source

• Patent Number

  2,390,614

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1945
  79 years ago

• CPC

  • B21D53/16 - rings
  • Y10T29/49282 - including grinding or honing

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working
  • 148 - Metal treatment