1898153

Information

• Patent Grant
• 1898153

• References
• Source

• Patent Number

  1,898,153

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1933
  91 years ago

• CPC

  • F04C2/322 - with vanes hinged to the outer member and reciprocating with respect to the outer member
  • Y10T74/2173 - Cranks and wrist pins

• US Classifications

  • 417 - Pumps
  • 074 - Machine element or mechanism
  • 418 - Rotary expansible chamber devices