2795934

Information

• Patent Grant
• 2795934

• References
• Source

• Patent Number

  2,795,934

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1957
  67 years ago

• CPC

  • E21D23/0073 - with advancing shifting devices connected therewith

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 091 - Motors: expansible chamber type
  • 254 - Implements or apparatus for applying pushing or pulling force