1748986

Information

• Patent Grant
• 1748986

• References
• Source

• Patent Number

  1,748,986

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1930
  94 years ago

• CPC

  • E06B3/44 - Vertically-sliding wings
  • E06B2003/4453 - Metal
  • Y10T16/66 - Chain

• US Classifications

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