1437919

Information

• Patent Grant
• 1437919

• References
• Source

• Patent Number

  1,437,919

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1922
  102 years ago

• CPC

  • B21L13/00 - Making terminal or intermediate chain links of special shape making couplings for chains
  • B21J13/14 - Ejecting devices
  • B21K1/74 - forked members or members with two or more limbs

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus