2231257

Information

• Patent Grant
• 2231257

• References
• Source

• Patent Number

  2,231,257

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1941
  84 years ago

• CPC

  • B23D77/042 - by means of oblique planes
  • Y10T408/858955 - including separable interfitting element

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 140 - Wireworking