1637508

Information

• Patent Grant
• 1637508

• References
• Source

• Patent Number

  1,637,508

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1927
  97 years ago

• CPC

  • B21D3/16 - of specific articles made from metal rods, tubes, or profiles
  • B23Q3/062 - adapted for holding workpieces having a special form or being made from a special material
  • B23Q2703/105 - for clamping a crankshaft

• US Classifications

  • 269 - Work holders
  • 033 - Geometrical instruments