3800621

Information

• Patent Grant
• 3800621

• References
• Source

• Patent Number

  3,800,621

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1974
  50 years ago

• CPC

  • B24B19/095 - using templates
  • B23Q35/108 - of three or more lines
  • B24B19/09 - for grinding trochoidal surfaces
  • Y10S451/919 - Wankel
  • Y10T74/2101 - Cams
  • Y10T74/2107 - Follower
  • Y10T82/122 - Forming non-circular bore

• US Classifications

  • 074 - Machine element or mechanism
  • 082 - Turning
  • 451 - Abrading