U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Shoe sole

Patent 4837949 Issued on June 13, 1989. Estimated Expiration Date: Icon_subject December 23, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2038972

3487563

Golf shoe Patent #: 4754561
Issued on: 07/05/1988
Inventor: Dufour

Inventor

Application

No. 07/137127 filed on 12/23/1987

US Classes:

36/127, For golf36/114, Athletic shoe or attachment therefor36/25R, SOLES36/31Sectional

Examiners

Primary: Kee Chi, James

Attorney, Agent or Firm

International Classes

A43B 13/18 (20060101)
A43B 5/00 (20060101)

Foreign Application Priority Data

1986-12-23 FR

Abstract

A walking sole for sports shoes, particularly golf shoes, having, on at least one of its lateral edges, a series of substantially transverse grooves, filled with a material having a degree of elasticity superior to that of the material making up the sole. The grooves are provided in the front portion of at least one of the lateral edges (1a,1b) which extends the length of the frontal area of the sole (1) which provides support for the front part of the foot of the wearer of the shoe, and they mark the boundaries of at least one flexible tongue (7) transversally around an axis of flexion (X) joining the internal ends of the grooves (3). (FIG. 1).

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