3426995

Information

• Patent Grant
• 3426995

• References
• Source

• Patent Number

  3,426,995

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1969
  55 years ago

• CPC

  • E21D15/58 - Devices for setting props or chocks
  • E21D15/512 - Arrangement of valves
  • F16L37/025 - with an inner elastic part pressed against an outer part by reason of its elasticity
  • F16L37/06 - tightened by fluid pressure

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 091 - Motors: expansible chamber type