1912618

Information

• Patent Grant
• 1912618

• References
• Source

• Patent Number

  1,912,618

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1933
  91 years ago

• CPC

  • G01B13/00 - Measuring arrangements characterised by the use of fluids
  • Y10S33/11 - Materials

• US Classifications

  • 033 - Geometrical instruments