1994428

Information

• Patent Grant
• 1994428

• References
• Source

• Patent Number

  1,994,428

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1935
  90 years ago

• CPC

  • B21D53/38 - locksmith's goods
  • E05F11/00 - Man-operated mechanisms for operating wings, including those which also operate the fastening
  • E05F2700/04 - Devices for blocking sliding windows in general
  • E05Y2900/148 - Windows
  • Y10S16/42 - Miscellaneous methods
  • Y10T29/49627 - Frame component
  • Y10T29/49845 - by deforming interlock
  • Y10T29/49849 - by wrapping around
  • Y10T29/49915 - Overedge assembling of seated part
  • Y10T29/49925 - Inward deformation of aperture or hollow body wall
  • Y10T292/0864 - Combined motion
  • Y10T292/1099 - Screw

• US Classifications

  • 292 - Closure fasteners
  • 016 - Miscellaneous hardware
  • 029 - Metal working
  • 072 - Metal deforming