1621047

Information

• Patent Grant
• 1621047

• References
• Source

• Patent Number

  1,621,047

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1927
  98 years ago

• CPC

  • E06B3/52 - Wings requiring lifting before opening
  • Y10T16/54085 - Along hinge axis

• US Classifications

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