2425307

Information

• Patent Grant
• 2425307

• References
• Source

• Patent Number

  2,425,307

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1947
  77 years ago

• CPC

  • H04L19/00 - Apparatus or local circuits for step-by-step systems

• US Classifications

  • 340 - Communications: electrical
  • 178 - Telegraphy
  • 341 - Coded data generation or conversion
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems