1973670

Information

• Patent Grant
• 1973670

• References
• Source

• Patent Number

  1,973,670

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1934
  90 years ago

• CPC

  • F01C1/045 - having a C-shaped piston

• US Classifications

  • 418 - Rotary expansible chamber devices
  • 073 - Measuring and testing