3191506

Information

• Patent Grant
• 3191506

• References
• Source

• Patent Number

  3,191,506

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1965
  59 years ago

• CPC

  • E21D15/60 - Devices for withdrawing props or chocks
  • E21D15/44 - Hydraulic, pneumatic, or hydraulic-pneumatic props

• US Classifications

  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices