742181

Information

• Patent Grant
• 742181

• References
• Source

• Patent Number

  742,181

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1903
  121 years ago

• CPC

  • F04C2/39 - with vanes hinged to the inner as well as to the outer member

• US Classifications

  • 418 - Rotary expansible chamber devices