Patents by Inventor Yuet Kwan Priscilla CHEUNG

Yuet Kwan Priscilla CHEUNG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • A SEPARABLE WATERPROOF SHOE AND SHOE SHAFT
    Publication number: 20160150849
    Abstract: A separable waterproof shoe comprises a shoe body (1) made of hard waterproof material and a shoe shaft (2) made of soft waterproof material. The opening at the bottom portion of the shoe shaft (2) is detachably sleeved onto the opening of the shoe body (1); an anti-slip edge (12) is provided at the opening of the shoe body (1); an elastic waterproof layer (23) is provided on the inner side of the bottom portion of the shoe shaft (2); the bottom portion of the elastic waterproof layer (23) is bonded to the bottom portion of the shoe shaft (2), and the top portion thereof can be detachably fastened under the anti-slip edge (12).
    Type: Application
    Filed: July 4, 2014
    Publication date: June 2, 2016
    Inventor: Yuet Kwan Priscilla CHEUNG