1677780

Information

• Patent Grant
• 1677780

• References
• Source

• Patent Number

  1,677,780

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1928
  96 years ago

• CPC

  • F04C18/46 - with vanes hinged to the outer member

• US Classifications

  • 418 - Rotary expansible chamber devices
  • 277 - Seal for a joint or juncture