2494529

Information

• Patent Grant
• 2494529

• References
• Source

• Patent Number

  2,494,529

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1950
  75 years ago

• CPC

  • F04B9/1215 - the return stroke being obtained by a spring
  • F04B45/053 - Pumps having fluid drive

• US Classifications

  • 417 - Pumps
  • 091 - Motors: expansible chamber type
  • 092 - Expansible chamber devices