2622787

Information

• Patent Grant
• 2622787

• References
• Source

• Patent Number

  2,622,787

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1952
  72 years ago

• CPC

  • F01C1/084 - Toothed wheels
  • F01C1/16 - with helical teeth
  • Y10T74/19986 - Twisted

• US Classifications

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