3773441

Information

• Patent Grant
• 3773441

• References
• Source

• Patent Number

  3,773,441

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  51 years ago

• CPC

  • F04B53/14 - Pistons, piston-rods or piston-rod connections
  • F04B53/1037 - Flap valves
  • F04B53/141 - Intermediate liquid piston between the driving piston and the pumped liquid
  • F15B21/041 - Filtering; Removal or measurement of solid or liquid contamination

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices