3721044

Information

• Patent Grant
• 3721044

• References
• Source

• Patent Number

  3,721,044

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • E05D15/44 - with pivoted arms and vertically-sliding guides
  • E05Y2800/744 - cleaning or service
  • E05Y2900/148 - Windows

• US Classifications

  • 049 - Movable or removable closures