2885492

Information

• Patent Grant
• 2885492

• References
• Source

• Patent Number

  2,885,492

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1959
  65 years ago

• CPC

  • H03H7/002 - Gyrators
  • H04B3/20 - Reducing echo effects or singing Opening or closing transmitting path Conditioning for transmission in one direction or the other

• US Classifications

  • 340 - Communications: electrical
  • 324 - Electricity: measuring and testing
  • 330 - Amplifiers
  • 333 - Wave transmission lines and networks
  • 379 - Telephonic communications