Shoe tying instructional device
Patent 4017984 Issued on April 19, 1977. Estimated Expiration Date: 
April 19, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 19, 1994. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References D143237 1853790 2313874 2385197 2527242 2624957 2646630 InventorApplicationNo. 05/669186 filed on 03/22/1976US Classes:434/260Manipulation of tool or fastener (e.g., zipper, shoelaces, etc.)ExaminersPrimary: Grieb, William H.Attorney, Agent or FirmInternational ClassG09B 19/00 (20060101)AbstractAn educational device for teaching one to lace shoes comprising a pair of panel members hingedly secured to a base to simulate the side flaps of a lace-up shoe. Areas along the edges of the flaps around the holes are two colors alternately arranged and each end of the shoestring is colored to match one of the hole designation colors, whereby the shoe is laced by threading the shoestring through openings of like colors. Crossed lines of the same colors are placed on the base member to direct crossing of the lace ends and a spot directs placement of a finger to loop the first half of a bow. | |
