2157484

Information

• Patent Grant
• 2157484

• References
• Source

• Patent Number

  2,157,484

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1939
  85 years ago

• CPC

  • B23D5/02 - involving rotary and straight-line movements only
  • Y10S82/902 - Oil grooving device
  • Y10T409/502788 - Arcuate groove

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 082 - Turning