1897190

Information

• Patent Grant
• 1897190

• References
• Source

• Patent Number

  1,897,190

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1933
  92 years ago

• CPC

  • F04B1/1136 - the rotary cylinder being provided with only one piston, reciprocating within the cylinder

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices