2491147

Information

• Patent Grant
• 2491147

• References
• Source

• Patent Number

  2,491,147

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1949
  75 years ago

• CPC

  • A61C13/1006 - characterised by a tooth shape which improves retention
  • A61C13/04 - made by casting
  • Y10T29/49567 - Dental appliance making

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 029 - Metal working
  • 264 - Plastic and nonmetallic article shaping or treating: processes