2615197

Information

• Patent Grant
• 2615197

• References
• Source

• Patent Number

  2,615,197

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1952
  72 years ago

• CPC

  • G11B3/66 - Erasing information
  • Y10S425/81 - Sound record

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 219 - Electric heating
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER