1991308

Information

• Patent Grant
• 1991308

• References
• Source

• Patent Number

  1,991,308

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1935
  89 years ago

• CPC

  • F04C2/063 - with coaxially-mounted members having continuously-changing circumferential spacing between them

• US Classifications

  • 418 - Rotary expansible chamber devices