2415581

Information

• Patent Grant
• 2415581

• References
• Source

• Patent Number

  2,415,581

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1947
  77 years ago

• CPC

  • G06G1/14 - in which a straight or curved line has to be drawn from given points on one or more input scales to one or more points on a result scale
  • G06G1/0089 - for calculating taxes

• US Classifications

  • 235 - Registers