2519580

Information

• Patent Grant
• 2519580

• References
• Source

• Patent Number

  2,519,580

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1950
  75 years ago

• CPC

  • F04B35/04 - the means being electric
  • F01B3/08 - the helices being arranged on the pistons
  • F04B27/0895 - driving means
  • F04B27/1081 - Casings, housings
  • F04B39/0016 - with valve arranged in the piston

• US Classifications

  • 417 - Pumps
  • 310 - Electrical generator or motor structure