3484042

Information

• Patent Grant
• 3484042

• References
• Source

• Patent Number

  3,484,042

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1969
  55 years ago

• CPC

  • G06G1/00 - Hand manipulated computing devices
  • G06G1/025 - decimal point positioning devices

• US Classifications

  • 235 - Registers
  • 353 - Optics: image projectors
  • 356 - Optics: measuring and testing