US3849915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sport shoe
Assignee: Onitsuka Co Ltd
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Filing: 1973-07-30
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Granted: 1974-11-26
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Expires: 1993-07-30
Abstract
Abstract A sport shoe comprises a sole and an upper mounted on said sole, wherein a plurality of recesses each with a rounded inner wall surface are provided on the lower surface of said sole for trapping water thereinto and producing anti-slipping effect, whereby an athlete is prevented from falling down on an allweather track in the rain or after the rain, and his running speed and jumping force are increased.
Inventors
- 👤 M Inohara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:11
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/22; A43B13/223; A43B5/00; A43B5/06; A43C; A43C15/00; A43C15/16; A43C15/161
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
113 words
A sport shoe comprising a sole and an upper mounted on the sole, the sole having a lower surface provided with a plurality of recesses each having a rounded inner wall surface, and a plurality of metallic spikes extending from non-recessed portions of the lower surface of the sole, the effective length of each spike being between the lower surface of the sole and the lower end of the spike, each spike having a longitudinal axis and a lower axially extending portion, the lower portion of each spike having a uniform cross-section throughout the length thereof, the lower end of each lower portion having a planar surface crossing the axis of the spike.
Claim 2
Dependent Claim
113 words
A sport shoe comprising a sole and an upper mounted on the sole, the sole having a lower surface provided with a plurality of recesses each having a rounded inner wall surface, and a plurality of metallic spikes extending from non-recessed portions of the lower surface of the sole, the effective length of each spike being between the lower surface of the sole and the lower end of the spike, each spike having a longitudinal axis and a lower axially extending portion, the lower portion of each spike having a uniform cross-section throughout the length thereof, the lower end of each lower portion having a planar surface crossing the axis of the spike.
Claim 3
Dependent Claim
15 words
The sport shoe of claim 1 wherein each of the recesses has a circular periphery.
Claim 4
Dependent Claim
38 words
The sport shoe of claim 1 wherein at least some of the recesses have peripheries in the form of elongated circles extending in a direction substantially along the flexion lines of the bone framework of the wearer''s foot.
Claim 5
Dependent Claim
26 words
The sport shoe of claim 1 in which the planar surface of the lower portion of each spike extends perpendicularly to the axis of the spike.
Claim 6
Dependent Claim
40 words
The sport shoe of claim 1 in which each spike includes an enlarged portion which extends between the lower portion of the spike and the lower surface of the sole and which is transversely enlarged relative to the lower portion.
Claim 7
Dependent Claim
55 words
The sport shoe of claim 1 in which each spike includes an enlarged portion which extends between the lower portion of the spike and the lower surface of the sole, each of the lower portions and the enlarged portions being generally cylindrical and each enlarged portion having a larger diameter than the associated lower portion.
Claim 8
Dependent Claim
24 words
The sport shoe of claim 6 in which each enlarged portion includes a planar lower surface extending radially outwardly from the associated lower portion.
Claim 9
Dependent Claim
32 words
The sport shoe of claim 1 including a plurality of projections extending downwardly from non-recessed portions of the lower surface of the sole, each of the projections having a flAt lower surface.
Claim 10
Dependent Claim
30 words
The sport shoe of claim 1 including a plurality of projections extending downwardly from non-recessed portions of the lower surface of the sole, each of the projections being tapered downwardly.
Claim 11
Dependent Claim
52 words
The sport shoe of claim 1 including a plurality of first and second projections extending downwardly from non-recessed portions of the lower surface of the sole, each of the first projections having a flat lower surface and each of the second projections being tapered downwardly and being shorter than the first projections.
Claim 12
Dependent Claim
15 words
The sport shoe of claim 1 wherein each of the recesses has an elliptical periphery.
Claim 13
Dependent Claim
15 words
The sport shoe of claim 1 wherein each of the recesses has a polygonal periphery.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |