2509293

Information

• Patent Grant
• 2509293

• References
• Source

• Patent Number

  2,509,293

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1950
  74 years ago

• CPC

  • G03D13/12 - Frames
  • Y10T24/20 - Paper fastener
  • Y10T24/204 - Pivotally mounted on pintle
  • Y10T24/44521 - Pivoted or rotated element
  • Y10T24/44564 - having specific surface material or irregularity on or along engaging face
  • Y10T24/463 - for pin having plural penetrating portions
  • Y10T24/4664 - having resilient bridging structure between portion and means

• US Classifications

  • 396 - Photography
  • 024 - Buckles, buttons, clasps, etc.