Zipper - Patents

Patents

Patent Name: Clasp Locker or Unlocker for shoes Patent Number: 504, 038 Patent Date: August 29, 1893 1917 Gideon Sundbäck patent:

• 25 November 1851 U.S. Patent 8,540: "Fastening for Garments & c."
• 29 August 1893 U.S. Patent 504,037: "Shoe fastening"
• 29 August 1893 U.S. Patent 504,038: "Clasp Locker or Unlocker for Shoes"
• 31 March 1896 U.S. Patent 557,207: "Fastening for Shoes"
• 31 March 1896 U.S. Patent 557,208: "Clasp-Locker for Shoes"
• 29 April 1913 U.S. Patent 1,060,378: "Separable fastener"
• 20 March 1917 U.S. Patent 1,219,881: "Separable fastener"
• 22 December 1936 U.S. Patent 2,065,250: "Slider"