3757513

Information

• Patent Grant
• 3757513

• References
• Source

• Patent Number

  3,757,513

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1973
  51 years ago

• CPC

  • G04B47/061 - calculating scales for indicating relationship between quantity and time
  • G06G1/02 - Devices in which computing is effected by adding, substracting, or comparing lengths of parallel or concentric graudated scales

• US Classifications

  • 235 - Registers
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology