459519

Information

• Patent Grant
• 459519

• References
• Source

• Patent Number

  459,519

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1891
  133 years ago

• CPC

  • B43L9/02 - Compasses
  • B43L9/025 - Compasses with parallel legs
  • B43L9/20 - Pivots

• US Classifications

  • 033 - Geometrical instruments
  • D10 - Measuring, testing, or signalling instruments