3328952

Information

• Patent Grant
• 3328952

• References
• Source

• Patent Number

  3,328,952

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1967
  57 years ago

• CPC

  • G04C21/16 - producing the signals at adjustable fixed times
  • G04B23/026 - Hammer driving; hammers; devices with several hammers or sounding bodies; vibrators
  • G04B23/03 - Alarm signal stop arrangements
  • G04B23/10 - with pre-signal with repeated signal with changeable intensity of sound

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 116 - Signals and indicators
  • 968 - Horology