2101298

Information

• Patent Grant
• 2101298

• References
• Source

• Patent Number

  2,101,298

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1937
  87 years ago

• CPC

  • G06G1/04 - characterised by construction
  • G06G1/045 - with scales borne by bands

• US Classifications

  • 235 - Registers