US6035554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asymmetrical reversible article of footwear
Assignee: Individual
•
Filing: 1997-09-11
•
Granted: 2000-03-14
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Expires: 2017-09-11
Abstract
Abstract An asymmetrical article of footwear reversible sole is provided which offers improved performance and fit. The article of footwear is worn on a different foot when reversed. The invention may be shaped to fit the general outline of a person's foot and may be configured to fit the contours of the bottom of the person's foot. Different materials may be used for the different parts of the composite sole thus allowing the reversible, asymmetrical, composite sole to be used in dual purpose situations.
Inventors
- 👤 Donald L. Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:31
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/24; A43B3/246; A43B13/00; A43B13/28; A43B3/10; A43B3/108
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
57 words
An article of footwear comprising a reversible, asymmetrical sole, the sole being asymmetrical about its longitudinal axis and having a first outer surface that includes an arch support and that is configured to fit a person's first foot, and a second outer surface opposed to the first outer surface and configured to fit the person's second foot.
Claim 2
Dependent Claim
57 words
An article of footwear comprising a reversible, asymmetrical sole, the sole being asymmetrical about its longitudinal axis and having a first outer surface that includes an arch support and that is configured to fit a person's first foot, and a second outer surface opposed to the first outer surface and configured to fit the person's second foot.
Claim 3
Dependent Claim
39 words
The article of footwear of claim 1, wherein the first outer surface is adapted to be worn under a first set of conditions and the second outer surface is adapted to be worn under a second set of conditions.
Claim 4
Dependent Claim
18 words
The article of footwear of claim 2, wherein the sole is a composite of two or more subsoles.
Claim 5
Dependent Claim
21 words
The article of footwear of claim 3, wherein at least two of the two or more subsoles consist of different materials.
Claim 6
Dependent Claim
27 words
The article of footwear of claim 4, wherein a first subsole of the composite comprises an elastomer and a second subsole of the composite comprises a fabric.
Claim 7
Dependent Claim
25 words
The article of footwear of claim 2, wherein the first set of conditions comprises wet conditions and the second set of conditions comprises dry conditions.
Claim 8
Dependent Claim
101 words
An article of footwear comprising: a sole having opposing first and second outer surfaces asymmetrically shaped about the sole's longitudinal axis to fit the bottom of a human foot, the first surface having an arch support and being adapted to support the right foot of a person and the second surface adapted to fit the left foot of the person; and, a reversible upper attached to the sole in a first configuration to hold the right foot of the person against the first surface, and in a second configuration to hold the left foot of the person against the second surface.
Claim 9
Dependent Claim
101 words
An article of footwear comprising: a sole having opposing first and second outer surfaces asymmetrically shaped about the sole's longitudinal axis to fit the bottom of a human foot, the first surface having an arch support and being adapted to support the right foot of a person and the second surface adapted to fit the left foot of the person; and, a reversible upper attached to the sole in a first configuration to hold the right foot of the person against the first surface, and in a second configuration to hold the left foot of the person against the second surface.
Claim 10
Dependent Claim
36 words
The article of footwear of claim 7, wherein the upper comprises at least one pair of straps attached at first ends to opposing sides of the sole and interengaging one another proximate to their second ends.
Claim 11
Dependent Claim
25 words
The article of footwear of claim 8, wherein the first ends of the at least one pair of straps are pivotally connected to the sole.
Claim 12
Dependent Claim
24 words
The article of footwear of claim 8, wherein the opposing sides of the sole comprise recesses for the at least one pair of straps.
Claim 13
Dependent Claim
91 words
A sandal comprising an asymmetrical, reversible, composite sole, the sole being asymmetrical about its longitudinal axis and having a first outsole and a second outsole, the first outsole comprising a first material which is adapted to provide adequate traction in set conditions and the second outsole comprising a second material which is adapted to provide durability in dry conditions, where the first material comprises an elastomer and the second material comprises felt and where the first set of conditions comprises dry conditions and the second set of conditions comprises wet conditions.
Claim 14
Dependent Claim
91 words
A sandal comprising an asymmetrical, reversible, composite sole, the sole being asymmetrical about its longitudinal axis and having a first outsole and a second outsole, the first outsole comprising a first material which is adapted to provide adequate traction in set conditions and the second outsole comprising a second material which is adapted to provide durability in dry conditions, where the first material comprises an elastomer and the second material comprises felt and where the first set of conditions comprises dry conditions and the second set of conditions comprises wet conditions.
Claim 15
Dependent Claim
22 words
The sandal of claim 11, where the first set of conditions further comprises standing or walking in water or on wet surfaces.
Claim 16
Dependent Claim
18 words
The sandal of claim 12, where the first set of conditions further comprises standing in water while fishing.
Claim 17
Dependent Claim
42 words
The article of footwear of claim 1, wherein the first outer surface is made of a material selected to provide adequate traction in wet conditions and the second outer surface is made of a material selected to provide durability in dry conditions.
References Cited (Backward Citations)
US945698A
Cited
US1012245A
Cited
US1410064A
Cited
US2409813A
Cited
FR1119287A
Cited
US3722113A
Cited
US3871116A
Cited
US4114296A
Cited
US4267649A
Cited
US4300294A
Cited
US4246707A
Cited
US4984377A
Cited
US5615497A
Cited
US5459948A
Cited
US5822888A
Cited
US5737853A
Cited
US5753336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-03-14 | 2003-09-13 | 2004-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-03-14 | 2007-09-13 | 2008-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-03-14 | 2011-09-13 | 2012-03-14 | $7700.00 | Window Closed / Lapsed |