3818473

Information

• Patent Grant
• 3818473

• References
• Source

• Patent Number

  3,818,473

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • G04F3/022 - using mechanical signalling device
  • A61J7/0472 - of the count-down type
  • G04B37/127 - used as containers or cartridges

• US Classifications

  • 340 - Communications: electrical
  • 968 - Horology