2509012

Information

• Patent Grant
• 2509012

• References
• Source

• Patent Number

  2,509,012

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1950
  74 years ago

• CPC

  • G11B5/004 - Recording on, or reproducing or erasing from, magnetic drums
  • Y10S29/028 - Magnetic recording digest
  • Y10S264/58 - Processes of forming magnets
  • Y10T29/49577 - Phonograph component making

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 029 - Metal working
  • 264 - Plastic and nonmetallic article shaping or treating: processes