2256817

Information

• Patent Grant
• 2256817

• References
• Source

• Patent Number

  2,256,817

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1941
  83 years ago

• CPC

  • B23D5/02 - involving rotary and straight-line movements only
  • Y10T409/502952 - For rifling

• US Classifications

  • 409 - Gear cutting, milling, or planing