3260492

Information

• Patent Grant
• 3260492

• References
• Source

• Patent Number

  3,260,492

• Date Filed

  Not available

• Date Issued

  Tuesday, July 12, 1966
  58 years ago

• CPC

  • E21D15/586 - the props being pre-loaded
  • E21D15/44 - Hydraulic, pneumatic, or hydraulic-pneumatic props

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force