3820440

Information

• Patent Grant
• 3820440

• References
• Source

• Patent Number

  3,820,440

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • F01B11/004 - in which the movement in the two directions is obtained by two single acting piston motors, each acting in one direction

• US Classifications

  • 091 - Motors: expansible chamber type