3001029

Information

• Patent Grant
• 3001029

• References
• Source

• Patent Number

  3,001,029

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1961
  63 years ago

• CPC

  • A45D8/38 - Hair fillers
  • H04Q3/525 - using tubes in the switching stages
  • H04Q11/04 - for time-division multiplexing

• US Classifications

  • 379 - Telephonic communications