1621549

Information

• Patent Grant
• 1621549

• References
• Source

• Patent Number

  1,621,549

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1927
  98 years ago

• CPC

  • E05B63/122 - with transverse
  • Y10S70/36 - Spring-returned lock cylinder
  • Y10T70/5327 - Keeper interlocking
  • Y10T70/5535 - Trip release
  • Y10T70/7706 - Operating connections
  • Y10T70/7712 - Rollbacks
  • Y10T292/08 - Bolts

• US Classifications

  • 070 - Locks
  • 292 - Closure fasteners