3641985

Information

• Patent Grant
• 3641985

• References
• Source

• Patent Number

  3,641,985

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  53 years ago

• CPC

  • F01C1/3447 - the vanes having the form of rollers, slippers or the like

• US Classifications

  • 123 - Internal-combustion engines
  • 418 - Rotary expansible chamber devices