1765668

Information

• Patent Grant
• 1765668

• References
• Source

• Patent Number

  1,765,668

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1930
  93 years ago

• CPC

  • G06C5/00 - Non-functional elements

• US Classifications

  • 116 - Signals and indicators
  • 073 - Measuring and testing