2320680

Information

• Patent Grant
• 2320680

• References
• Source

• Patent Number

  2,320,680

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1943
  81 years ago

• CPC

  • B21D39/04 - of tubes with tubes of tubes with rods
  • Y10S60/914 - Explosive
  • Y10T29/49927 - Hollow body is axially joined cup or tube

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working
  • 060 - Power plants
  • 089 - Ordnance
  • 123 - Internal-combustion engines
  • 173 - Tool driving or impacting
  • 269 - Work holders