1622816

Information

• Patent Grant
• 1622816

• References
• Source

• Patent Number

  1,622,816

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1927
  98 years ago

• CPC

  • F04B3/006 - with rotating cylinder block

• US Classifications

  • 417 - Pumps
  • 091 - Motors: expansible chamber type
  • 418 - Rotary expansible chamber devices