1742430

Information

• Patent Grant
• 1742430

• References
• Source

• Patent Number

  1,742,430

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1930
  95 years ago

• CPC

  • A61C13/1006 - characterised by a tooth shape which improves retention

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 433 - Dentistry