1525303

Information

• Patent Grant
• 1525303

• References
• Source

• Patent Number

  1,525,303

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1925
  100 years ago

• CPC

  • E05B63/123 - with circular bolts
  • Y10S70/36 - Spring-returned lock cylinder
  • Y10S70/39 - Cylinder and knob connection
  • Y10T70/535 - Keeper and housing interlocking
  • Y10T70/5535 - Trip release
  • Y10T292/1034 - Curved
  • Y10T292/546 - Sliding detent

• US Classifications

  • 070 - Locks
  • 292 - Closure fasteners