1341154

Information

• Patent Grant
• 1341154

• References
• Source

• Patent Number

  1,341,154

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1920
  104 years ago

• CPC

  • G11B3/50 - Anvils or other supports opposing stylus forces
  • H04Q3/0016 - Arrangements providing connection between exchanges

• US Classifications

  • 181 - Acoustics
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER