1881631

Information

• Patent Grant
• 1881631

• References
• Source

• Patent Number

  1,881,631

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1932
  92 years ago

• CPC

  • B21L9/04 - Punching or bending the different parts of the chain links

• US Classifications

  • 059 - Chain, staple, and horseshoe making
  • 474 - Endless belt power transmission systems or components