3534559

Information

• Patent Grant
• 3534559

• References
• Source

• Patent Number

  3,534,559

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1970
  54 years ago

• CPC

  • E21D17/0206 - Hydraulically operated extension devices
  • E21D23/063 - Retractable cantilever extensions therefor

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 248 - Supports