3737598

Information

• Patent Grant
• 3737598

• References
• Source

• Patent Number

  3,737,598

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1973
  51 years ago

• CPC

  • G04C21/28 - by closing a contact to put into action electro-acoustic means

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 968 - Horology