2917828

Information

• Patent Grant
• 2917828

• References
• Source

• Patent Number

  2,917,828

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1959
  64 years ago

• CPC

  • A61C1/052 - Ducts for supplying driving or cooling fluid
  • A61C1/02 - characterised by the drive of the dental tools
  • A61C1/141 - in an angled handpiece

• US Classifications

  • 433 - Dentistry