1978595

Information

• Patent Grant
• 1978595

• References
• Source

• Patent Number

  1,978,595

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1934
  90 years ago

• CPC

  • F04B53/129 - Poppet valves
  • F04B1/124 - Pistons
  • F04B1/146 - Swash plates or actuating elements
  • F04B1/16 - having two or more sets of cylinders or pistons
  • F04B1/184 - Cylindrical distribution members

• US Classifications

  • 417 - Pumps
  • 091 - Motors: expansible chamber type