1787988

Information

• Patent Grant
• 1787988

• References
• Source

• Patent Number

  1,787,988

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1931
  94 years ago

• CPC

  • E05B3/06 - by means arranged in or on the rose or escutcheon
  • Y10T292/85 - Knob-attaching devices
  • Y10T292/861 - Guards
  • Y10T292/91 - Knob rose plates

• US Classifications

  • 292 - Closure fasteners