1615538

Information

• Patent Grant
• 1615538

• References
• Source

• Patent Number

  1,615,538

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1927
  98 years ago

• CPC

  • B23G9/006 - Slotting nuts
  • B23G9/002 - Slotting screw heads or shanks

• US Classifications

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