Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 4363177 | Style convertible footwear Each of a plurality of readily detachably attachable heels and each of a plurality of readily detachably attachable uppers are selectively mounted upon a sole and offer a user the freedom of rapid facile changes in style of footwear.... | 12/14/1982 |
| 4355473 | Molded shoe A shoe has a preformed lower portion which is molded preferably from plastic material, and which has on its top surface, around the upper peripheral edge and slightly inward thereof, a plurality of downwardly directed slots for receiving a selected upper ... | 10/26/1982 |
| 4348820 | Shoe structure A new and improved shoe structure is disclosed which may be rapidly assembled to define a sturdy secure construction. The subject shoe structure includes an elongated base member having a top surface circumscribed by an upstanding ridge to define a hollow... | 09/14/1982 |
| 4347637 | Manufacturing process of sandals and clogs with plastic soles and shoes manufactured through this process The process to manufacture sandals bases on the use of a mold made up by two parts: the first, the lower, containing the upside-down print of that part of the sole which has to be contacted by the foot; the second, that is the cover, containing the upside... | 09/07/1982 |
| 4333247 | Footwear article and process An article of footwear and process for making same in which upper portions of a shoe are fastened to a synthetic sole by placing portions of the upper through slots on the outer periphery of the sole turning same under, and fastening same by coaction of a... | 06/08/1982 |
| 4314412 | Orthopedic shoe This invention is an orthopedic shoe particularly characterized by special configuration, both on the portion of the shoe which is in contact with the foot and the portion which is in contact with the surface to be walked upon. It is particularly characte... | 02/09/1982 |
| 4302861 | Method of making a shoe buildup A shoe buildup and a method for making the same wherein a block of rigid foam material is cut and shaped to follow the contour of an existing shoe and is then preferably adhesively secured to the sole of the shoe. Although the buildup may be formed of one... | 12/01/1981 |
| 4300256 | Clog-type shoes and method for their production Clog-type shoes are produced by combining foamed polymeric soles with conventional vamps by interposing selected adhesives and application of pressure and heat to the assembled clog-type shoe.... | 11/17/1981 |
| 4300294 | Article of footwear An article of footwear being in the form of a sandle includes a platform, two straps anchored to the platform to secure the platform to a wearer's foot, and an expedient, such as a velcro strip, mounted to the edge of the platform for removably fastening ... | 11/17/1981 |
| 4297798 | Footwear system There is disclosed an improved system of footwear which permits the wearer to customize the fit and aesthetics of her footwear. A substantially E shaped channel is provided along the length of, and inward of the perimeter of the sole of the assembly. The ... | 11/03/1981 |
| 4294023 | Athletic footwear for non-contact or light contact sports Athletic footwear for non-contact or light-contact sports having a resilient sole portion to which front and rear upper portions of reinforced canvas or rubber material are securely attached. Foot protection and mobility are optimized by isolating the plu... | 10/13/1981 |
| 4279049 | Process for manufacturing footwear from a plastic material such as polyurethane A process is disclosed for molding plastic footwear composed of polyurethane. Despite the unitary construction of this footwear, the use of polyurethane permits the footwear to be provided with an appearance substantially identical to a traditional articl... | 07/21/1981 |
| 4275512 | Sandal structure A durable sandal includes a composition rubber sole, a first composition rubber insole, and a unitary leather element including four straps and a second insole section of substantially the same shape as the first insole. Two of the straps having buckles a... | 06/30/1981 |
| 4267649 | Interchangeable shoe An article of footwear of an interchangeable nature permitting alteration by the wearer of the shoe appearance and configuration. There is provided an outsole of unitary construction having toe, central, and heel portions, there being a heel unit carried ... | 05/19/1981 |
| 4265032 | Expandable article of footwear An expandable article of footwear having a sole with an upper formed over at least a portion of the sole. At least a part of the upper has formed therein an array of elongated slits. The slits are colinearly arranged into substantially parallel columns wi... | 05/05/1981 |
| 4247996 | Walking aid device A walking aid device is disclosed which permits a user to increase his stride without requiring auxiliary elements that slide or roll, and makes use only of the muscles normally used in walking. The device has a lower part-circular base made of non-skid m... | 02/03/1981 |
| 4245407 | Arch and heel assembly for shoes An arch and heel assembly for shoes having an arch and a heel secured to each other at their upper ends. A connecting link has its front end secured to the base of the arch and its rear end secured to the base of the heel to define a substantially triangu... | 01/20/1981 |
| 4226031 | Sandal A sandal useful especially in wet areas and also where there is soft ground such as at the beach. The sandal has opposite side edges that slope in a downward-outward direction, to provide a wider foot print that minimizes sideward twisting on soft ground,... | 10/07/1980 |
| 4222185 | Plastic shoe sole for sandals and the like A shoe sole, especially for summer footwear such as sandals, comprises an outsole and an insole of substantially identical outline molded from plastic material. The outsole is provided along its periphery with a set of solid upstanding studs, molded integ... | 09/16/1980 |
| 4214334 | Manufacture of footwear The invention relates to a method for manufacturing footwear and apparatus for use in the method. The method includes the steps of procuring an upper constituted by at least one strap or band and an insole, assembling the upper and the insole by passing e... | 07/29/1980 |
| 4206558 | Exercise shoes for simulated jogging An exercise shoe for wear on a human foot during simulated jogging comprises a foot support platform characterized by a substantially planar foot support surface, a sharper-than-circular curved bottom surface for providing forward-breaking and backward-br... | 06/10/1980 |
| 4200997 | Sandal A sandal having a multi-layer sole including an insole of mini-cell foam which takes a set conforming to the sole of the wearer's foot. A pair of straps have their remote ends anchored to the opposite sides of the sole assembly with portions of each loope... | 05/06/1980 |
| 4193214 | Changeable sandal Disclosed here is a novelly designed sandal whose vamp or sole can be changed. If there are many so designed vamps and soles, then many times new sandals can be composed by the interchange among the vamps and soles. For example, 5 different pairs of vamps... | 03/18/1980 |
| 4188735 | Adjustable semi-flexible health shoe An adjustable semi-flexible shoe is disclosed which is structurally and isometrically adapted for controllably stably supporting a human foot during walking following surgical and therapeutical treatment of the user's lower extremities while simultaneousl... | 02/19/1980 |
| 4172330 | Sandal with removable strap A sandal with removable straps including a platform having a top surface, a bottom surface and a side surface extending around the platform, the platform including a plurality of openings each extending from the top surface to the bottom or side surface, ... | 10/30/1979 |
| 4150455 | Method for manufacturing a footwear and footwear A method for manufacturing an instep cover section of a footwear, comprising placing an instep cover member in a molding cavity, pressure-injecting molten synthetic resin material into the cavity, and thus connecting the synthetic resin material with the ... | 04/24/1979 |
| 4124946 | Built-in insole and article of footwear containing same This invention relates to a supporting insole built into a shoe or other article of footwear, and to the article of footwear containing said insole, the insole being shaped to conform to the plantar surface of a human foot and seated in a recess in the ou... | 11/14/1978 |
| 4114296 | Interchangeable sandal A shoe adapted for facile interchangeability into a multiplicity of styles comprising an outsole having a heel portion, with there being an intervening zone of flexure therebetween. Forward and rearward inner soles are provided on said outsole and with th... | 09/19/1978 |
| 4112599 | Method of cushioning and ventilating a foot, and footwear including disposable slippers and insoles for practicing such method A method of cushioning and ventilating a foot surface by providing footwear made from a cushioning and ventilating member which constitutes a new use for a known material sometimes called bubble wrap commonly used in shipping rooms for packaging. This mat... | 09/12/1978 |
| 4109661 | Footwear having pressure projections Footwear is provided with pressure projections in the inside thereof for locally stimulating vital points distributed on the skin of the foot. Each of said pressure projections is composed of a pressure projection body and a projection core attached at th... | 08/29/1978 |
| 4107857 | Athletic shoe construction An athletic shoe includes a sole having toe, ball, arch and heel sections, corresponding to that of a foot and an upper secured to the sole, which includes two pairs of upwardly-tapered straps secured to the sole on opposite sides of its ball and arch sec... | 08/22/1978 |
| 4106222 | Inflatable podiatric device A sole includes an inflatable envelope formed of a flexible material having a first surface adapted to conform to a foot of the wearer. A valve stem extends through the envelope along the first surface for inflating the envelope, the valve extending subst... | 08/15/1978 |
| 4095353 | Massage sandal A one-piece molded flexible plastic or rubber sandal having integrally molded on the insole thereof a plurality of highly flexible, closely spaced, relatively long, thin points which flex substantially under the weight of the bare foot of the sandal weare... | 06/20/1978 |
| 4094081 | Beach sandal A beach shoe or sandal for walking on sandy or porous surfaces, comprising a flat sole surface in the general shape of the user's foot, which has a projecting, peripheral wall, formed perpendicular to the sole surface that terminates in a flat rim for con... | 06/13/1978 |
| 4079526 | Footwear A footwear includes a bottom body formed from soft synthetic resin and a hard or semihard core material laid on the bottom body. The bottom body has a pressure projection protruding upwards from the upper face of the core material and there is provided a ... | 03/21/1978 |
| 4075772 | Insole for footwears An insole for general footwears or shoes, having a plurality of undulating tabs, substantially arranged transversely of the longitudinal axis of the sole, and defining a bearing surface for the foot sole.... | 02/28/1978 |
| 4069601 | Thong footwear An article of footwear including a platform, an upper vamp, a bottom sole and an insole. The platform includes first and second uniformly thick layers of foam rubber having a given density extending throughout the toe and heel portions of the platform, an... | 01/24/1978 |
| 4059910 | Footwear apparatus A sandal for wearing on the foot is provided having a plurality of elongated, wooden slats having their ends shaped to form the bottom of a sandal or shoe. The slats are held together by a flexible piece of material glued to one side thereof and a flexibl... | 11/29/1977 |
| 4051610 | Sandal A sandal which is formed with a sole member and a thong member removably attached to the sole member for holding the sandal wearer's foot against the sole member. The thong member may be alternatively fitted over only the wearer's instep or a portion of t... | 10/04/1977 |
| 4047310 | Fatigue relieving foot appliance A podiatric device is provided comprising a sandal having a resilient insole moulded to the contour of the plantar surface of the foot, moderately raised under the metatarsal arch of the foot having a plurality of uniformly distributed rigid studs extendi... | 09/13/1977 |
