1649634

Information

• Patent Grant
• 1649634

• References
• Source

• Patent Number

  1,649,634

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1927
  97 years ago

• CPC

  • B21K1/50 - Trimming or shearing formed heads

• US Classifications

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