3450851

Information

• Patent Grant
• 3450851

• References
• Source

• Patent Number

  3,450,851

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1969
  55 years ago

• CPC

  • D06F37/42 - Safety arrangements
  • A47L15/4259 - Arrangements of locking or security/safety devices for doors
  • Y10T292/0824 - Roller

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 134 - Cleaning and liquid contact with solids
  • 292 - Closure fasteners