1505515

Information

• Patent Grant
• 1505515

• References
• Source

• Patent Number

  1,505,515

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1924
  101 years ago

• CPC

  • G01P3/06 - using a friction gear

• US Classifications

  • 033 - Geometrical instruments
  • 073 - Measuring and testing
  • 235 - Registers