3861444

Information

• Patent Grant
• 3861444

• References
• Source

• Patent Number

  3,861,444

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1975
  50 years ago

• CPC

  • E06B3/4609 - for windows
  • E06B2003/6276 - with parts of differing nature

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 049 - Movable or removable closures