3825181

Information

• Patent Grant
• 3825181

• References
• Source

• Patent Number

  3,825,181

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • G04B19/266 - with indicators for tides
  • G06C3/00 - Arrangements for table look-up

• US Classifications

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