1737514

Information

• Patent Grant
• 1737514

• References
• Source

• Patent Number

  1,737,514

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1929
  95 years ago

• CPC

  • E21D15/46 - with load-measuring devices with alarm devices

• US Classifications

  • 116 - Signals and indicators
  • 340 - Communications: electrical