3850548

Information

• Patent Grant
• 3850548

• References
• Source

• Patent Number

  3,850,548

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • F04C14/223 - using a movable cam
  • F04C14/04 - specially adapted for reversible machines or pumps
  • F04C15/0053 - Venting means for starting

• US Classifications

  • 417 - Pumps
  • 418 - Rotary expansible chamber devices