2452830

Information

• Patent Grant
• 2452830

• References
• Source

• Patent Number

  2,452,830

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1948
  76 years ago

• CPC

  • G11B15/02 - Control of operating function
  • Y10T292/426 - Screw catch

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 292 - Closure fasteners
  • 381 - Electrical audio signal processing systems and devices
  • D14 - Recording, communication, or information retrieval equipment