3909819

Information

• Patent Grant
• 3909819

• References
• Source

• Patent Number

  3,909,819

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • A47G29/1212 - comprising electrical parts

• US Classifications

  • 340 - Communications: electrical
  • 250 - Radiant energy