1794815

Information

• Patent Grant
• 1794815

• References
• Source

• Patent Number

  1,794,815

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1931
  93 years ago

• CPC

  • G01F23/50 - using mechanically actuated indicating means

• US Classifications

  • 116 - Signals and indicators