2737648

Information

• Patent Grant
• 2737648

• References
• Source

• Patent Number

  2,737,648

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1956
  68 years ago

• CPC

  • H04M1/272 - with provision for storing only one subscriber number at a time
  • F01D17/18 - varying effective number of nozzles or guide conduits
  • H04Q1/34 - Impulse regenerators with mechanical or other non-electrical marking arrangements

• US Classifications

  • 341 - Coded data generation or conversion
  • 379 - Telephonic communications