← Back to Patent Explorer
US3846919A Expired / Lapsed US ⏱️ 0.0 years remaining

Transformable footwear

Assignee: Individual
•
Filing: 1973-11-08
•
Granted: 1974-11-12
•
Expires: 1993-11-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract This invention relates to an article of footwear which may be transformed simply by substituting one of its elements. The shoe comprises three independent elements, constituted by a bottom comprising a wearing sole and a heel, an inner shoe assembly comprising an insole connected to a complete lining, and an outer dressing chosen from a series created for its variety, this outer dressing comprising a visible upper extended by a lower inset part to enable it to be fitted on the inner shoe assembly; projecting tongues belonging to the insole may be engaged in slots in the upper surface of the bottom to ensure the temporary but firm connection of this latter with the inner shoe assembly covered by the outer dressing. The invention is applicable to any article of foot wear.

Inventors

  • 👤 M Milotic

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 04:52
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/24; A43B13/00; A43B13/28

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 91 words
A shoe which is transformable simply by substituting one of its elements, wherein said shoe comprises three independent components constituted by a bottom comprising a wearing sole and a heel, an inner shoe assembly comprising an insole integral with a complete lining, and an outer dressing chosen from a series created for its variety, this outer dressing comprising a visible upper extended by a lower inset part to allow it to be fitted onto the inner shoe assembly and wherein dismountable connecting means are provided between the insole and the bottom.
Claim 2
Dependent Claim 91 words
A shoe which is transformable simply by substituting one of its elements, wherein said shoe comprises three independent components constituted by a bottom comprising a wearing sole and a heel, an inner shoe assembly comprising an insole integral with a complete lining, and an outer dressing chosen from a series created for its variety, this outer dressing comprising a visible upper extended by a lower inset part to allow it to be fitted onto the inner shoe assembly and wherein dismountable connecting means are provided between the insole and the bottom.
Claim 3
Dependent Claim 74 words
A shoe as claimed in claim 1, wherein the insole of the inner shoe assembly includes three thin tongues located at the heel, waist and front respectively, the first two being directed rparwardly and the third forwardly, and the bottom defines three housings on the top surface thereof accessible through three slots formed therein for receiving the tongues of the inner shoe assembly by bending said inner shoe assembly downwardly at its opposite ends.
Claim 4
Dependent Claim 70 words
A shoe as claimed in claim 2, wherein the tongues are cut, so as to project slightly, from a resistant but flexible sheet fixed beneath the insole of the inner shoe assembly and another flexible sheet having said slots formed therein is fixed to the bottom so that the slots that it presents are located above recesses made in this bottom, giving access to the above-mentioned housings for the tongues.
Claim 5
Dependent Claim 33 words
A shoe as claimed in claim 1, wherein the upper of the outer dressing is integral with a supple bottom having windows for the passage of the tongues of the inner shoe assembly.
Claim 6
Dependent Claim 27 words
A shoe as claimed in any one of claims 1, wherein a shank is incorporated in the bottom and/or in the insole of the inner shoe assembly.
Claim 7
Dependent Claim 17 words
A shoe as claimed in claim 3 wherein said flexible sheets are formed from flexible steel sheets.

References Cited (Backward Citations)

US2552943A Cited
US2873540A Cited
US3686779A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-11 1978-05-13 1978-11-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-11 1982-05-13 1982-11-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-11 1986-05-13 1986-11-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag