2721051

Information

• Patent Grant
• 2721051

• References
• Source

• Patent Number

  2,721,051

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1955
  69 years ago

• CPC

  • E21D15/517 - Extension elements

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force