3069503

Information

• Patent Grant
• 3069503

• References
• Source

• Patent Number

  3,069,503

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1962
  62 years ago

• CPC

  • H04M15/38 - Charging, billing or metering by apparatus other than mechanical step-by-step counter type
  • C07F7/0847 - a Si atom of a Si-O-Si sequence being attached only to -O-Si or to a C atom

• US Classifications

  • 379 - Telephonic communications