2816166

Information

• Patent Grant
• 2816166

• References
• Source

• Patent Number

  2,816,166

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1957
  68 years ago

• CPC

  • H04M11/00 - Telephonic communication systems adapted for combination with other electrical systems
  • G04C11/04 - over a line

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology