990172

Information

• Patent Grant
• 990172

• References
• Source

• Patent Number

  990,172

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1911
  113 years ago

• CPC

  • B23B31/1238 - Jaws movement actuated by a nut with conical screw-thread
  • Y10T279/17632 - Conical sleeve
  • Y10T279/1933 - Worm
  • Y10T279/1941 - Bevel pinion

• US Classifications

  • 279 - Chucks or sockets