1800637

Information

• Patent Grant
• 1800637

• References
• Source

• Patent Number

  1,800,637

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1931
  93 years ago

• CPC

  • G01G23/30 - with means for illuminating the scale

• US Classifications

  • 177 - Weighing scales