1924477

Information

• Patent Grant
• 1924477

• References
• Source

• Patent Number

  1,924,477

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1933
  91 years ago

• CPC

  • E21D15/603 - by means of hydraulic devices
  • B66F3/22 - Lazy-tongs mechanisms
  • B66F3/242 - suspended jacks

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force
  • 092 - Expansible chamber devices
  • 212 - Traversing hoists