Article of footwear having an at least partially composite...

Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe

Reexamination Certificate

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C036S045000, C036S117600, C036S115000

Reexamination Certificate

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07320190

ABSTRACT:
An article of footwear comprises a shell (10) and preferably also a leg piece (20), and features, at least at some portions thereof that do not include the sole (15), a composite structure formed of two layers (30, 40; 30A,40A) that are made of preferably synthetic materials having different mechanical properties. At least the interfacing surface (34, 34A) of the layer (30) made of mechanically stronger materials is provided with protruding elements (36) that remain inseparably adhering to the interfacing surface (42, 42A) of the other layer (40).

REFERENCES:
patent: 3718994 (1973-03-01), Spier
patent: 3950483 (1976-04-01), Spier
patent: 3958291 (1976-05-01), Spier
patent: 4050108 (1977-09-01), Londner et al.
patent: 4096650 (1978-06-01), Seidel
patent: 4551930 (1985-11-01), Graham et al.
patent: 4561195 (1985-12-01), Onoda et al.
patent: 4798010 (1989-01-01), Sugiyama
patent: 5528841 (1996-06-01), Pozzobon
patent: 5667737 (1997-09-01), Wittmann
patent: 6340164 (2002-01-01), Borel et al.
patent: 6401365 (2002-06-01), Kita et al.
patent: 6457265 (2002-10-01), Lepage et al.
patent: 2 671 947 (1992-01-01), None
patent: 2766065 (1992-07-01), None

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