1846311

Information

• Patent Grant
• 1846311

• References
• Source

• Patent Number

  1,846,311

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1932
  93 years ago

• CPC

  • G01M3/2876 - for valves
  • Y10S220/16 - Pressure indicators

• US Classifications

  • 116 - Signals and indicators
  • 138 - Pipes and tubular conduits
  • 220 - Receptacles