1701582

Information

• Patent Grant
• 1701582

• References
• Source

• Patent Number

  1,701,582

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1929
  96 years ago

• CPC

  • G01C21/20 - Instruments for performing navigational calculations
  • G06G3/04 - for performing multiplication or divisions

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 033 - Geometrical instruments
  • 235 - Registers
  • 346 - Recorders
  • 434 - Education and demonstration