3495499

Information

• Patent Grant
• 3495499

• References
• Source

• Patent Number

  3,495,499

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1970
  55 years ago

• CPC

  • E21D23/12 - Control
  • E21D23/14 - Effecting automatic sequential movement of supports
  • E21D23/146 - Transmission of signals and commands by cable

• US Classifications

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