1980653

Information

• Patent Grant
• 1980653

• References
• Source

• Patent Number

  1,980,653

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1934
  90 years ago

• CPC

  • B21K31/00 - Control devices specially adapted for positioning tool carriers

• US Classifications

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