2992470

Information

• Patent Grant
• 2992470

• References
• Source

• Patent Number

  2,992,470

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1961
  63 years ago

• CPC

  • B24B39/00 - Burnishing machines or devices
  • B21C37/153 - Making tubes with inner- and/or outer guides
  • B21C37/30 - Finishing tubes
  • Y10T409/502952 - For rifling

• US Classifications

  • 042 - Firearms
  • 409 - Gear cutting, milling, or planing