1803705

Information

• Patent Grant
• 1803705

• References
• Source

• Patent Number

  1,803,705

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1931
  93 years ago

• CPC

  • F04B19/025 - cylinders rotating around their own axis
  • F04B5/02 - with double-acting pistons

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices