1663983

Information

• Patent Grant
• 1663983

• References
• Source

• Patent Number

  1,663,983

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1928
  96 years ago

• CPC

  • G01G23/206 - special graduated scales therefor
  • Y10S116/23 - Movable index

• US Classifications

  • 116 - Signals and indicators