3539143

Information

• Patent Grant
• 3539143

• References
• Source

• Patent Number

  3,539,143

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1970
  54 years ago

• CPC

  • A47B23/004 - Not free-standing music stands
  • Y10T24/203 - including means to open or close fastener

• US Classifications

  • 248 - Supports
  • 024 - Buckles, buttons, clasps, etc.