Patent US5222311A successfully refreshed from Google Patents.
← Back to Patent Explorer
US5222311A Expired / Lapsed US ⏱️ 0.0 years remaining

Shoe with cushioning wedge

Assignee: Individual
•
Filing: 1992-02-10
•
Granted: 1993-06-29
•
Expires: 2012-02-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A shoe includes an outsole which has a flat tread portion and a peripheral member that extends upwardly from the periphery of the tread portion. The peripheral member has an upper section and a lower section. The tread portion and the lower section of the peripheral member cooperatively define a receptacle. A resilient cushioning wedge is adapted to be received in the receptacle and has an upper base member with a top side and a bottom side. The bottom side is integrally formed with a plurality of downwardly extending cushioning elements which have free ends glued to the tread portion. The base member has a periphery glued to the peripheral member. An insole is glued to the top side of the cushioning wedge. The shoe further includes a vamp which has a bottom end sewed to the insole and a bottom periphery sewed to the upper section of the peripheral member.

Inventors

  • 👤 Mark Lin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 06:06
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/18; A43B13/181; A43B1/00; A43B1/0072

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 143 words
A shoe, comprising: an outsole having a flat tread portion and a peripheral member extending upwardly from a periphery edge of said tread portion, said peripheral member having an upper section and a lower section, said tread portion and said lower section of said peripheral member cooperatively defining a receptacle; a cushioning wedge adapted to be received in said receptacle and having an upper base member with a top side and a bottom side, said bottom side being integrally formed with a plurality of downwardly extending cushioning elements which have free ends glued to said tread portion, said base member having a periphery glued to said peripheral member; an insole glued to said top side of said cushioning wedge; and a vamp having a bottom end sewed to said insole and a bottom periphery sewed to said upper section of said peripheral member.
Claim 2
Dependent Claim 143 words
A shoe, comprising: an outsole having a flat tread portion and a peripheral member extending upwardly from a periphery edge of said tread portion, said peripheral member having an upper section and a lower section, said tread portion and said lower section of said peripheral member cooperatively defining a receptacle; a cushioning wedge adapted to be received in said receptacle and having an upper base member with a top side and a bottom side, said bottom side being integrally formed with a plurality of downwardly extending cushioning elements which have free ends glued to said tread portion, said base member having a periphery glued to said peripheral member; an insole glued to said top side of said cushioning wedge; and a vamp having a bottom end sewed to said insole and a bottom periphery sewed to said upper section of said peripheral member.
Claim 3
Dependent Claim 19 words
The shoe as claimed in claim 1, wherein said cushioning elements are closely-packed independent pillars with rounded free ends.
Claim 4
Dependent Claim 48 words
The shoe as claimed in claim 1, wherein: the height of said cushioning elements gradually decreases from a rear portion to a front portion of said cushioning wedge; and said lower section of said peripheral member has a depth which corresponds to the height of said cushioning elements.
Claim 5
Dependent Claim 16 words
The shoe as claimed in claim 1, wherein said outsole is made of a transparent material.
Claim 6
Dependent Claim 16 words
The shoe as claimed in claim 1, wherein said cushioning elements are closely-packed concave cushioning elements.
Claim 7
Dependent Claim 25 words
The shoe as claimed in claim 5, wherein said top side of said base member is provided with a plurality of closely-packed concave cushioning elements.

References Cited (Backward Citations)

US2675632A Cited
US2605559A Cited
US3736613A Cited
US3739502A Cited
US4391048A Cited
US4594799A Cited
US4733483A Cited
US4881328A Cited
US4908962A Cited
US5005300A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-06-28 1996-12-28 1997-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-06-28 2000-12-28 2001-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-06-28 2004-12-28 2005-06-29 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag