3760581

Information

• Patent Grant
• 3760581

• References
• Source

• Patent Number

  3,760,581

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1973
  51 years ago

• CPC

  • G04B19/22 - Arrangements for indicating different local apparent times Universal time pieces
  • G04G9/0076 - in which the time in another time-zone or in another city can be displayed at will
  • G04G9/10 - by controlling light sources
  • G06M1/276 - using mechanically-actuated contacts

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 345 - Computer graphics processing and selective visual display systems
  • 968 - Horology