1021888

Information

• Patent Grant
• 1021888

• References
• Source

• Patent Number

  1,021,888

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1912
  113 years ago

• CPC

  • G01D11/24 - Housings; Casings for instruments
  • Y10S116/37 - Multiple movable scales

• US Classifications

  • 073 - Measuring and testing
  • 116 - Signals and indicators