2532963

Information

• Patent Grant
• 2532963

• References
• Source

• Patent Number

  2,532,963

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1950
  74 years ago

• CPC

  • H04R1/028 - associated with devices performing functions other than acoustics
  • G04B47/025 - in musical instruments or loudspeakers

• US Classifications

  • 181 - Acoustics
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology