2282975

Information

• Patent Grant
• 2282975

• References
• Source

• Patent Number

  2,282,975

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1942
  82 years ago

• CPC

  • H04M15/10 - Metering calls from calling party
  • H04M15/22 - according to time of day

• US Classifications

  • 379 - Telephonic communications