1749419

Information

• Patent Grant
• 1749419

• References
• Source

• Patent Number

  1,749,419

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1930
  94 years ago

• CPC

  • G01F23/345 - using pneumatically or hydraulically actuated indicating means

• US Classifications

  • 073 - Measuring and testing