1800919

Information

• Patent Grant
• 1800919

• References
• Source

• Patent Number

  1,800,919

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1931
  93 years ago

• CPC

  • E05D13/14 - with weights
  • E05Y2900/148 - Windows
  • Y10T16/722 - Sliding

• US Classifications

  • 049 - Movable or removable closures
  • 016 - Miscellaneous hardware