3473231

Information

• Patent Grant
• 3473231

• References
• Source

• Patent Number

  3,473,231

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1969
  55 years ago

• CPC

  • G01B3/40 - for external screw-threads
  • G01B5/0004 - Supports

• US Classifications

  • 033 - Geometrical instruments