2335418

Information

• Patent Grant
• 2335418

• References
• Source

• Patent Number

  2,335,418

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1943
  81 years ago

• CPC

  • B21H3/10 - twist-drills screw-taps
  • B21H7/187 - Rolling helical or rectilinear grooves

• US Classifications

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