421612

Information

• Patent Grant
• 421612

• References
• Source

• Patent Number

  421,612

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1890
  135 years ago

• CPC

  • A61B17/32002 - with continuously rotating, oscillating or reciprocating cutting instruments
  • Y10T279/17829 - U-clamp

• US Classifications

  • 279 - Chucks or sockets