637772

Information

• Patent Grant
• 637772

• References
• Source

• Patent Number

  637,772

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1899
  125 years ago

• CPC

  • B23B29/03417 - by means of inclined planes
  • Y10T279/1953 - Toggle actuated
  • Y10T279/1981 - External-cone actuated
  • Y10T408/85894 - Annular wedge-collar

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 279 - Chucks or sockets