3856440

Information

• Patent Grant
• 3856440

• References
• Source

• Patent Number

  3,856,440

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1974
  50 years ago

• CPC

  • B23F15/08 - Making intermeshing rotors
  • F01C3/085 - the axes of cooperating members being on the same plane
  • Y10T74/19972 - form

• US Classifications

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