2003439

Information

• Patent Grant
• 2003439

• References
• Source

• Patent Number

  2,003,439

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1935
  89 years ago

• CPC

  • G01L27/00 - Testing or calibrating of apparatus for measuring fluid pressure
  • G01L7/065 - with optical transmitting or indicating means

• US Classifications

  • 073 - Measuring and testing