2638075

Information

• Patent Grant
• 2638075

• References
• Source

• Patent Number

  2,638,075

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1953
  71 years ago

• CPC

  • E21D15/44 - Hydraulic, pneumatic, or hydraulic-pneumatic props
  • E21D15/465 - with essential hydraulic or pneumatic details

• US Classifications

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