Copyright © Françoise Herrmann
Lori Silverman’s Crystal Sole® invention consists in a process of decorating shoe soles, in a way that makes the design impervious to the rigors of walking on asphalt and other surfaces. The result is a shoe with signature decorated soles.
Crystal Sole® shoes are patented. Patented not only with dozens of US design patents for each of the distinctive ways the decorated soles look, but also with a core US utility patent. A US utility patent covering the manufacture of the Silverman shoes with distinctively decorated soles. Indeed, the Crystal Sole® invention was originally recited in the US utility patent application, US20160007678A1, titled Shoe with wrapped sole and transparent pod.
The invention recites a method of making a shoe with a decorated sole, comprising decorative fabric that is bonded on a blank sole, and covered with a transparent plastic pad. The extracted patent Figure 1 below shows a side perspective view of the shoe made according to an embodiment of the invention.
Specifically, the patent Figure 1 depicts the invention shoe 10, an upper 12, a sole 14 to heel 16, a decorative element 18 on at least a portion of the sole 14, and a protective pad 20, covering at least a portion of the sole 14.
The depicted shoe 10 is a woman’s pump, but the scope of the invention extends to other types of shoes for both men and women. Shoe types for women comprise, for example, boots, booties, flats, or ballet slippers. Shoes for men comprise both loafer types and boots.
The decorative element 18 is a piece of fabric 22 with a separately patented decorative design. Decorative designs for men’s shoes comprise, for example, checkerboard, camouflage, or sport’s team logo. Decorative designs for women shoes comprise, for example, checkerboard, zebra pattern, stripes, polka dots, plaid, argyle, leopard spots, tiger stripes, plus many more.
The protective pad 20 covers just the portion of the shoe contacting the floor when the shoe is high heel. When the shoe is a flat, the pad covers the entire sole, up to, or including the heel portion. The protective pad 20 is made of any polymer such as silicone or PVC. The pad 20 also includes holes 24 for stitching to the sole.
The patent further describes the methods of cutting, bonding, and putting together the invention shoe 10, comprising the fabric 22, the blank sole 14, the protective pad 20, and the upper 12. The patent also describes the extra steps required to include crystals as decorative elements beneath the protective shoe pads 20, directly on the shoe soles 14.
The invention provides a method for making a shoe having a decorated sole, which comprises: providing a sole blank for a desired shoe; providing a fabric having desired decoration, design, or insignia on a bottom side thereof cutting the fabric to a size which will cover the sole and wrap on a portion of an inside edge of the sole; adhering the fabric to the sole blank with bonding agent or adhesive and wrapping the fabric around the edge of the sole; adhering the fabric to the upper edge of the sole blank; affixing a clear plastic pad to at least a portion of the sole to protect against wear of the fabric by floor or street surfaces; and adhering the sole to a shoe upper to form a complete shoe. The invention further provides shoes having decorative soles made in accordance with the foregoing method. [Abstract US20160007678A1]
Lori Silverman Shoes (website)
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