2639244

Information

• Patent Grant
• 2639244

• References
• Source

• Patent Number

  2,639,244

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1953
  72 years ago

• CPC

  • C23C22/70 - using melts

• US Classifications

  • 148 - Metal treatment
  • 042 - Firearms
  • 059 - Chain, staple, and horseshoe making
  • 428 - Stock material or miscellaneous articles