1554685

Information

• Patent Grant
• 1554685

• References
• Source

• Patent Number

  1,554,685

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1925
  99 years ago

• CPC

  • G01D13/04 - Construction
  • G01D13/08 - Rotating drums

• US Classifications

  • 116 - Signals and indicators