2060478

Information

• Patent Grant
• 2060478

• References
• Source

• Patent Number

  2,060,478

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1936
  88 years ago

• CPC

  • A61C13/245 - Vacuum enhancing devices
  • A61C13/25 - including valve or air passageway leading from suction area to lingual cavity

• US Classifications

  • 433 - Dentistry