2380736

Information

• Patent Grant
• 2380736

• References
• Source

• Patent Number

  2,380,736

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1945
  79 years ago

• CPC

  • B28D5/021 - by drilling
  • Y10T408/23 - including means to cause Tool to progressively vibrate toward work

• US Classifications

  • 125 - Stone working
  • 408 - Cutting by use of rotating axially moving tool