2803301

Information

• Patent Grant
• 2803301

• References
• Source

• Patent Number

  2,803,301

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1957
  67 years ago

• CPC

  • E21B29/005 - with a radially-expansible cutter rotating inside the pipe
  • B23D21/145 - hand operated

• US Classifications

  • 166 - Wells