2474464

Information

• Patent Grant
• 2474464

• References
• Source

• Patent Number

  2,474,464

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1949
  75 years ago

• CPC

  • E21D15/465 - with essential hydraulic or pneumatic details
  • E21D15/005 - characterised by the material
  • E21D15/512 - Arrangement of valves

• US Classifications

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