2253363

Information

• Patent Grant
• 2253363

• References
• Source

• Patent Number

  2,253,363

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1941
  83 years ago

• CPC

  • E01B31/06 - Making holes
  • Y10T408/556 - Tool supporting wheel

• US Classifications

  • 105 - Railway rolling stock
  • 408 - Cutting by use of rotating axially moving tool