3921304

Information

• Patent Grant
• 3921304

• References
• Source

• Patent Number

  3,921,304

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • G01B13/18 - for measuring angles or tapers for testing the alignment of axes
  • G01B5/24 - for measuring angles or tapers for testing alignment of axes
  • Y10T82/268 - Expansible

• US Classifications

  • 033 - Geometrical instruments
  • 082 - Turning