1476507

Information

• Patent Grant
• 1476507

• References
• Source

• Patent Number

  1,476,507

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1923
  101 years ago

• CPC

  • G11B25/02 - using cylindrical record carriers
  • Y10S29/104 - Tool or work attached
  • Y10T29/47 - Burnishing
  • Y10T82/11 - Talking machine tablet

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 029 - Metal working
  • 082 - Turning
  • 369 - Dynamic information storage or retrieval