2387616

Information

• Patent Grant
• 2387616

• References
• Source

• Patent Number

  2,387,616

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1945
  79 years ago

• CPC

  • H04L25/205 - using tuning forks or vibrating reeds
  • Y10T307/872 - Repetitive make and break

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 361 - Electricity: electrical systems and devices