3246576

Information

• Patent Grant
• 3246576

• References
• Source

• Patent Number

  3,246,576

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1966
  58 years ago

• CPC

  • E21D23/20 - for sequential movement

• US Classifications

  • 091 - Motors: expansible chamber type
  • 405 - Hydraulic and earth engineering