1621669

Information

• Patent Grant
• 1621669

• References
• Source

• Patent Number

  1,621,669

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1927
  97 years ago

• CPC

  • E05D13/1238 - specially adapted for overhead wings
  • E05D15/24 - consisting of parts connected at their edges
  • E05Y2900/106 - for garages
  • Y10S16/31 - Pulley
  • Y10T16/64 - Spring

• US Classifications

  • 160 - Flexible or portable closure, partition, or panel
  • 016 - Miscellaneous hardware
  • D25 - Building units and construction elements