1943643

Information

• Patent Grant
• 1943643

• References
• Source

• Patent Number

  1,943,643

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1934
  92 years ago

• CPC

  • B23G7/00 - Forming thread by means of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material
  • Y10S29/077 - with separator or filter
  • Y10S29/101 - Pan, bed, or table
  • Y10T29/5185 - Tube making

• US Classifications

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