2797756

Information

• Patent Grant
• 2797756

• References
• Source

• Patent Number

  2,797,756

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1957
  67 years ago

• CPC

  • E21B37/02 - Scrapers specially adapted therefor
  • Y10T279/17179 - Wedge

• US Classifications

  • 166 - Wells
  • 279 - Chucks or sockets