2773308

Information

• Patent Grant
• 2773308

• References
• Source

• Patent Number

  2,773,308

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1956
  67 years ago

• CPC

  • A61C9/00 - Impression cups
  • A61C9/0013 - Inflatable trays

• US Classifications

  • 433 - Dentistry