(19)
(11) EP 0 260 777 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
17.01.1990 Bulletin 1990/03

(43) Date of publication A2:
23.03.1988 Bulletin 1988/12

(21) Application number: 87300873.4

(22) Date of filing: 30.01.1987
(51) International Patent Classification (IPC)4: A43B 13/14, A43B 13/18
(84) Designated Contracting States:
AT BE CH DE ES FR GB GR IT LI LU NL SE

(30) Priority: 19.09.1986 US 909320

(71) Applicant: Wolverine World Wide, Inc.
Rockford, Michigan 49351 (US)

(72) Inventor:
  • Blissett, Malcom George
    Grand Rapids Michigan 49506 (US)

(74) Representative: Robinson, Anthony John Metcalf 
Kilburn & Strode 30 John Street
London, WC1N 2DD
London, WC1N 2DD (GB)


(56) References cited: : 
   
       


    (54) Shoe Soles


    (57) SHOE SOLES
    A shoe sole (l4) having at its bottom surface (l4a) a curvilinear flex groove (24) located at the narrowing region (22) forwardly of the wider region (20) of the shoe sole and extending from the medial side (24b) to the lateral side (24a) in a forwardly oriented arc having its forwardmost portion (24c) offset toward the medial side (24b), to underlie the inner space of the foot forwardly of the metatarsal heads and rearwardly of the phalangeal portions that serve for surface engagement.







    Search report