1671912

Information

• Patent Grant
• 1671912

• References
• Source

• Patent Number

  1,671,912

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1928
  96 years ago

• CPC

  • G01B3/22 - Feeler-pin gauges
  • G01B5/22 - Spherometers

• US Classifications

  • 033 - Geometrical instruments