2491136

Information

• Patent Grant
• 2491136

• References
• Source

• Patent Number

  2,491,136

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1949
  75 years ago

• CPC

  • A61B5/103 - Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
  • A61B5/117 - Identification of persons
  • A61B5/1178 - using dental data
  • A61B5/4547 - Evaluating teeth
  • A61C19/045 - for recording mandibular movement
  • G06K9/00268 - Feature extraction; Face representation
  • A61B5/4528 - Joints
  • A61B5/6814 - Head

• US Classifications

  • 033 - Geometrical instruments
  • 433 - Dentistry