2246119

Information

• Patent Grant
• 2246119

• References
• Source

• Patent Number

  2,246,119

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1941
  82 years ago

• CPC

  • H04Q5/08 - Signalling by continuous ac
  • H04M1/70 - Lock-out or secrecy arrangements in party-line systems

• US Classifications

  • 379 - Telephonic communications