2572521

Information

• Patent Grant
• 2572521

• References
• Source

• Patent Number

  2,572,521

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1951
  73 years ago

• CPC

  • A47C1/13 - Indicators Devices for reserving or the like

• US Classifications

  • 340 - Communications: electrical
  • 200 - Electricity: circuit makers and breakers
  • 297 - Chairs and seats