2937443

Information

• Patent Grant
• 2937443

• References
• Source

• Patent Number

  2,937,443

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1960
  64 years ago

• CPC

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

• US Classifications

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