2447889

Information

• Patent Grant
• 2447889

• References
• Source

• Patent Number

  2,447,889

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1948
  76 years ago

• CPC

  • G01B5/242 - Sine bars; Sine plates
  • B23Q16/007 - Positioning by sine tables
  • B24B41/066 - adapted for supporting work in the form of tools

• US Classifications

  • 033 - Geometrical instruments
  • 269 - Work holders
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener