1715863

Information

• Patent Grant
• 1715863

• References
• Source

• Patent Number

  1,715,863

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1929
  95 years ago

• CPC

  • G11B9/00 - Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00 Record carriers therefor
  • Y10S116/16 - Road structure

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 084 - Music
  • 116 - Signals and indicators