1871030

Information

• Patent Grant
• 1871030

• References
• Source

• Patent Number

  1,871,030

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1932
  92 years ago

• CPC

  • E05F3/104 - with cam-and-slide transmission between driving shaft and piston within the closer housing
  • E05F3/225 - mounted at the bottom of wings
  • Y10S16/21 - Checks, closers, check valve construction
  • Y10T16/276 - Liquid
  • Y10T16/2774 - Floor pivot

• US Classifications

  • 016 - Miscellaneous hardware