2397139

Information

• Patent Grant
• 2397139

• References
• Source

• Patent Number

  2,397,139

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1946
  78 years ago

• CPC

  • F04C18/16 - with helical teeth
  • F01C1/107 - with helical teeth
  • F01C1/16 - with helical teeth
  • F01C20/22 - by changing the eccentricity between cooperating members

• US Classifications

  • 418 - Rotary expansible chamber devices