1805542

Information

• Patent Grant
• 1805542

• References
• Source

• Patent Number

  1,805,542

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1931
  93 years ago

• CPC

  • F04B9/1372 - the movement of each pump piston in the two directions is obtained by a double-acting piston fluid motor
  • F04B9/133 - reciprocating movement of the pumping members being obtained by a double-acting elastic-fluid motor
  • F04B53/00 - Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices