3270510

Information

• Patent Grant
• 3270510

• References
• Source

• Patent Number

  3,270,510

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1966
  58 years ago

• CPC

  • E21D23/0052 - with advancing shifting devices connected therewith
  • E21D23/0021 - comprising two walking elements

• US Classifications

  • 405 - Hydraulic and earth engineering