1538320

Information

• Patent Grant
• 1538320

• References
• Source

• Patent Number

  1,538,320

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1925
  99 years ago

• CPC

  • G09F7/18 - Means for attaching signs, plates, panels, or boards to a supporting structure
  • G09F2007/1869 - plates fixed to instruments
  • Y10T24/367 - Covers
  • Y10T24/45508 - and spring or resilient extension biasing about pivot
  • Y10T292/0846 - Rigid

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 024 - Buckles, buttons, clasps, etc.
  • 292 - Closure fasteners