1741465

Information

• Patent Grant
• 1741465

• References
• Source

• Patent Number

  1,741,465

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1929
  95 years ago

• CPC

  • G11B17/14 - by mechanism in rotating centre post
  • Y10S200/34 - Recording and reproducing

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 200 - Electricity: circuit makers and breakers
  • 310 - Electrical generator or motor structure