US3686779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Footwear
Assignee: Individual
•
Filing: 1970-12-21
•
Granted: 1972-08-29
•
Expires: 1990-12-21
Abstract
Abstract Footwear is disclosed with parts for attaching upper sections, heels, and layers of material to the sole and for making them detachable.
Inventors
- 👤 Maxwell Sachs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:01
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/24
Claims Analysis
Total Claims: 61
Claim 1
Independent Claim
216 words
In an article of footwear, a sole having heel, shank, ball and toe sections, and a layer of material extending over the insole area of said sole from a position forwardly of the junction between the shank and ball sections to a position rearwardly of said junction and being attached to said sole at each of said positions, said layer being detachable from said sole at said rearward position of attachment, the attaching parts for said rearward detachable attachment including a socket depressed in said sole and having a slot in its top surface, said slot having an open end and a closed end, and an attaching part attached to material connected to said layer, said part being detachably attached to said socket, a resilient section yieldably resisting the removal of said attaching part from said socket, the upper area of said attaching part having a top surface resting against the underside of said material connected to said layer, said upper area being without any flange which extends below the underside of said material connected to said layer, said attaching part having a shaft extending downward from said top surface, a flange extending out from the lower part of said shaft, said flange extending under the top of said socket on each side of said slot.
Claim 2
Dependent Claim
216 words
In an article of footwear, a sole having heel, shank, ball and toe sections, and a layer of material extending over the insole area of said sole from a position forwardly of the junction between the shank and ball sections to a position rearwardly of said junction and being attached to said sole at each of said positions, said layer being detachable from said sole at said rearward position of attachment, the attaching parts for said rearward detachable attachment including a socket depressed in said sole and having a slot in its top surface, said slot having an open end and a closed end, and an attaching part attached to material connected to said layer, said part being detachably attached to said socket, a resilient section yieldably resisting the removal of said attaching part from said socket, the upper area of said attaching part having a top surface resting against the underside of said material connected to said layer, said upper area being without any flange which extends below the underside of said material connected to said layer, said attaching part having a shaft extending downward from said top surface, a flange extending out from the lower part of said shaft, said flange extending under the top of said socket on each side of said slot.
Claim 3
Dependent Claim
37 words
The article of claim 1 and a flange extending out from said upper area and positioned in the material of said layer with no part of said flange being lower than the bottom material of said layer.
Claim 4
Dependent Claim
31 words
The article of claim 1 in which said layer includes an elastic section between said positions of attachment and is shorter between said positions than the underlying portion of said sole.
Claim 5
Dependent Claim
63 words
The article of claim 1 in which the core of said shaft has a hollow area which is open at the bottom of said shaft and which extends up to the underpart of said top surface, said top surface having a hole in its central area, a connecting part passing up through said hole and attaching part to material connected with said layer.
Claim 6
Dependent Claim
31 words
The article of claim 3 in which said attaching connection passing up thru said hole is attached to a portion of stiff material resting against said material connected to said layer.
Claim 7
Dependent Claim
27 words
The article of claim 5 in which said material connected to said layer is positioned between said top surface of said attaching part and said stiff material.
Claim 8
Dependent Claim
56 words
The article of claim 1 in which said vertical shaft is round and has a uniform diameter between said underside of said material connected to said layer and the top of said flange which extends out from said lower part of said shaft, said top of said flange extending out at right angles to said shaft.
Claim 9
Dependent Claim
34 words
The article of claim 1 in which a part connected to said top surface of said attaching part is attached to a portion of stiff material resting against said material connected to said layer.
Claim 10
Dependent Claim
26 words
The article of claim 8 in which the material connected to said layer is between said top surface of said attaching part and said stiff material.
Claim 11
Dependent Claim
179 words
In an article of footwear, a sole including heel, shank, and toe areas, a section including a sole portion with upper portion attached thereto, said sole portion being detachably attached to said sole in at least one of said areas, the attaching parts for said detachable attachment including a socket depressed in said sole and having a slot in its top surface, said slot having an open end and a closed end, both of said ends being located in said area of attachment, and an attaching part detachably attached to said sockeT and attached to material of said sole portion, the upper area of said attaching part having a top surface resting against the underside of said material of said sole portion, said part having a shaft extending downward from said top surface, a flange extending out from the lower part of said shaft, said flange extending under the top of said socket on each side of said slot, said upper area of said attaching part being without any flange which extends below the bottom of said sole portion.
Claim 12
Dependent Claim
179 words
In an article of footwear, a sole including heel, shank, and toe areas, a section including a sole portion with upper portion attached thereto, said sole portion being detachably attached to said sole in at least one of said areas, the attaching parts for said detachable attachment including a socket depressed in said sole and having a slot in its top surface, said slot having an open end and a closed end, both of said ends being located in said area of attachment, and an attaching part detachably attached to said sockeT and attached to material of said sole portion, the upper area of said attaching part having a top surface resting against the underside of said material of said sole portion, said part having a shaft extending downward from said top surface, a flange extending out from the lower part of said shaft, said flange extending under the top of said socket on each side of said slot, said upper area of said attaching part being without any flange which extends below the bottom of said sole portion.
Claim 13
Dependent Claim
84 words
The article of claim 10 in which the core of said shaft section of said attaching part has a hollow area which is open at the bottom of said part and which extends upward inside said attaching part, said top surface of said attaching part having a hole in its central area, and an attaching connection having one end in said hollow core and having a shaft passing up through said hole and attaching said attaching part to said material of said sole portion.
Claim 14
Dependent Claim
59 words
The article of claim 10 in which an attaching connection with a smaller diameter than said top surface of said attaching part extends up from the central area of said top surface and attaches said attaching part to said material of said sole portion, said material of said sole portion having a hole through which said attaching connection passes.
Claim 15
Dependent Claim
52 words
The article of claim 12 in which a piece of stiff material is positioned above said material of said sole portion, said stiff material having a hole, said attaching part passing up through said hole and attaching said stiff material together with said material of said sole portion to said attaching part.
Claim 16
Dependent Claim
16 words
The article of claim 10 in which said material of said sole portion is stiff material.
Claim 17
Dependent Claim
37 words
The article of claim 10 in which said top surface of said attaching part is positioned at a level higher than the level of the bottom surface of the bottom layer of material of said sole portion.
Claim 18
Dependent Claim
129 words
In an article of footwear, a sole including heel, shank, ball and toe areas, a section including a sole portion with upper portion attached thereto, said sole portion being detachably attached to said sole in at least one of said areas, the attaching parts for said detachable attachment including a socket depressed in said sole and having a slot in its top surface, said slot having an open end and a closed end, a flat spring extending from a position on the area of said sole between the sides of said socket to a position outside the open end of said socket, said spring extending upward to a gradually higher position as it extends from said open end of said socket in a direction away from said open end.
Claim 19
Dependent Claim
129 words
In an article of footwear, a sole including heel, shank, ball and toe areas, a section including a sole portion with upper portion attached thereto, said sole portion being detachably attached to said sole in at least one of said areas, the attaching parts for said detachable attachment including a socket depressed in said sole and having a slot in its top surface, said slot having an open end and a closed end, a flat spring extending from a position on the area of said sole between the sides of said socket to a position outside the open end of said socket, said spring extending upward to a gradually higher position as it extends from said open end of said socket in a direction away from said open end.
Claim 20
Dependent Claim
18 words
The article of claim 16 in which said spring is attached to said socket at said closed end.
Claim 21
Dependent Claim
84 words
In an article of footwear, a sole including heel, shank, and toe areas, a section including a sole portion with upper portion attached thereto, said sole portion being detachably attached to said sole in at least one of said areas, the attaching parts for said detachable attachment including contact-locking material detachably connecting said sole portion and a portion of said sole, one of said portions having an aperture, and a stiff part connected to the other of said portions and projecting into said aperture.
Claim 22
Dependent Claim
84 words
In an article of footwear, a sole including heel, shank, and toe areas, a section including a sole portion with upper portion attached thereto, said sole portion being detachably attached to said sole in at least one of said areas, the attaching parts for said detachable attachment including contact-locking material detachably connecting said sole portion and a portion of said sole, one of said portions having an aperture, and a stiff part connected to the other of said portions and projecting into said aperture.
Claim 23
Dependent Claim
31 words
The article of claim 18 in which said contact-locking material includes complementary sections connected with said sole and said sole portion and being detachable from and detachably re-attachable to each other.
Claim 24
Dependent Claim
24 words
The article of claim 18 in which said stiff part is connected to said sole portion and extends into an aperture in said sole.
Claim 25
Dependent Claim
24 words
The article of claim 19 in which said stiff part is connected to said sole portion and extends into an aperture in said sole.
Claim 26
Dependent Claim
78 words
In an article of footwear, a sole including heel, shank, and toe areas, a section including a sole portion with upper portion attached thereto, said section resting on said sole in at least one of said areas, said sole portion having at least two apertures with material between them, a layer of flexible material extending over said apertures and over said material between said apertures, contact-locking material detachably attaching said flexible material to said sole under said apertures.
Claim 27
Dependent Claim
78 words
In an article of footwear, a sole including heel, shank, and toe areas, a section including a sole portion with upper portion attached thereto, said section resting on said sole in at least one of said areas, said sole portion having at least two apertures with material between them, a layer of flexible material extending over said apertures and over said material between said apertures, contact-locking material detachably attaching said flexible material to said sole under said apertures.
Claim 28
Dependent Claim
20 words
The article of claim 22 in which said material of said sole portion which extends between said apertures is stiff.
Claim 29
Dependent Claim
28 words
The article of claim 22 in which said contact-locking material includes complementary sections attached to said flexible layer and to said sole and detachably attached to each other.
Claim 30
Dependent Claim
41 words
The article of claim 22 and a stiff part extending between said sole portion and a portion of said sole, said stiff part being connected to one of said portions and extending into an aperture in the other of said portions.
Claim 31
Dependent Claim
41 words
The article of claim 24 and a stiff part extending between said sole portion and a portion of said sole, said stiff part being connected to one of said portions and extending into an aperture in the other of said portions.
Claim 32
Dependent Claim
24 words
The article of claim 25 in which said stiff part is connected to said sole portion and extends into an aperture in said sole.
Claim 33
Dependent Claim
24 words
The article of claim 26 in which said stiff part is connected to said sole portion and extends into an aperture in said sole.
Claim 34
Dependent Claim
29 words
The article of claim 25 in which said stiff part is connected to said flexible layer and passes through a hole in said sole portion and into said sole.
Claim 35
Dependent Claim
29 words
The article of claim 26 in which said stiff part is connected to said flexible layer and passes through a hole in said sole portion and into said sole.
Claim 36
Dependent Claim
88 words
In an article of footwear, a sole including heel, shank, and toe areas, a section including a sole portion with upper portion attached thereto, contact-locking material detachably connecting said sole portion and a portion of said sole in at least one of said areas, and a part connected to one of said portions extending in the direction of the other of said portions and into a part connected to said other of said portions, said parts in combination opposing sliding of said sole portion relatively to said sole.
Claim 37
Dependent Claim
88 words
In an article of footwear, a sole including heel, shank, and toe areas, a section including a sole portion with upper portion attached thereto, contact-locking material detachably connecting said sole portion and a portion of said sole in at least one of said areas, and a part connected to one of said portions extending in the direction of the other of said portions and into a part connected to said other of said portions, said parts in combination opposing sliding of said sole portion relatively to said sole.
Claim 38
Dependent Claim
121 words
In an article of footwear, a sole having heel, shank, ball and toe sections, and a layer of material extending over the insole area of said sole from a position forwardly of the junction between the shank and the ball sections to a position rearwardly of said junction and being attached to said sole at each of said positions, said layer including elastic material between said positions, said layer being detachable from said sole at said rearward position of attachment, the attaching means for said rearward detachable attachment including a section of contact-locking material and a stiff part attached to said layer of material and extending downward therefrom, said sole having an aperture and said stiff part extending into said aperture.
Claim 39
Dependent Claim
121 words
In an article of footwear, a sole having heel, shank, ball and toe sections, and a layer of material extending over the insole area of said sole from a position forwardly of the junction between the shank and the ball sections to a position rearwardly of said junction and being attached to said sole at each of said positions, said layer including elastic material between said positions, said layer being detachable from said sole at said rearward position of attachment, the attaching means for said rearward detachable attachment including a section of contact-locking material and a stiff part attached to said layer of material and extending downward therefrom, said sole having an aperture and said stiff part extending into said aperture.
Claim 40
Dependent Claim
30 words
The article of claim 26 in which the contact-locking material includes complementary sections attached to said layer and to said sole, said complementary sections being detachably attached to each other.
Claim 41
Dependent Claim
99 words
In an article of footwear, a sole including heel, shank and toe areas, a section including an upper portion with sole portion attached thereto, said sole portion being detachably attached to said sole in at least one of said areas, said sole portion having an aperture, a part attached to said sole and having a portion extending up through said aperture, said part including a portion extending horizontally over a part of said sole portion adjacent to said aperture and holding said sole portion down on said sole, said horizontal part being movable to a position over said aperture.
Claim 42
Dependent Claim
99 words
In an article of footwear, a sole including heel, shank and toe areas, a section including an upper portion with sole portion attached thereto, said sole portion being detachably attached to said sole in at least one of said areas, said sole portion having an aperture, a part attached to said sole and having a portion extending up through said aperture, said part including a portion extending horizontally over a part of said sole portion adjacent to said aperture and holding said sole portion down on said sole, said horizontal part being movable to a position over said aperture.
Claim 43
Dependent Claim
85 words
In an article of footwear a sole layer including heel, shank, and toe sections, a heel area section including a heel and material forming a horizontal slot positioned on and joined to the top of said heel, said slot opening forwardly and being formed by material above, below, on each side, and to the rear, said heel area section forming a single unit, said heel section of said sole layer being positioned in said slot, and an attachment maintaining said heel section in said slot.
Claim 44
Dependent Claim
85 words
In an article of footwear a sole layer including heel, shank, and toe sections, a heel area section including a heel and material forming a horizontal slot positioned on and joined to the top of said heel, said slot opening forwardly and being formed by material above, below, on each side, and to the rear, said heel area section forming a single unit, said heel section of said sole layer being positioned in said slot, and an attachment maintaining said heel section in said slot.
Claim 45
Dependent Claim
34 words
The article of claim 35 in which said heel section of said sole layer is detachable from said heel area section and able to slide into and out of said slot when not attached.
Claim 46
Dependent Claim
26 words
The article of claim 35 and a section of upper joined to said heel area section to form a single unit with said heel area section.
Claim 47
Dependent Claim
33 words
The article of claim 36 and a section of upper joined to said heel area section to form a single unit attachable to and detachable from said sole layer as a single unit.
Claim 48
Dependent Claim
91 words
In an article of footwear a sole layer including heel, shank, and ball sections, a heel area section including an upper portion with a sole portion attached thereto, a lower layer spaced from said sole portion, material connecting said sole portion and said lower layer at the sides and rear, said connecting material together with said sole portion and said lower layer forming a slot, said heel section of said sole layer being positioned in said slot, and a part maintaining said heel section of said sole layer in said slot.
Claim 49
Dependent Claim
91 words
In an article of footwear a sole layer including heel, shank, and ball sections, a heel area section including an upper portion with a sole portion attached thereto, a lower layer spaced from said sole portion, material connecting said sole portion and said lower layer at the sides and rear, said connecting material together with said sole portion and said lower layer forming a slot, said heel section of said sole layer being positioned in said slot, and a part maintaining said heel section of said sole layer in said slot.
Claim 50
Dependent Claim
34 words
The article of claim 39 in which said heel section of said sole layer is detachable from said heel area section and able to slide into and out of said slot when not attached.
Claim 51
Dependent Claim
83 words
In an article of footwear, a sole layer with upper attached thereto forwardly of the heel area, a heel area section including an upper portion with a sole portion attached thereto, said sole portion resting on the heel section of said sole layer and being detachably attached thereto, material extending from the sides of said sole portion down the outside of each side of said heel section of said sole layer and under said heel section of said sole layer on each side.
Claim 52
Dependent Claim
83 words
In an article of footwear, a sole layer with upper attached thereto forwardly of the heel area, a heel area section including an upper portion with a sole portion attached thereto, said sole portion resting on the heel section of said sole layer and being detachably attached thereto, material extending from the sides of said sole portion down the outside of each side of said heel section of said sole layer and under said heel section of said sole layer on each side.
Claim 53
Dependent Claim
19 words
The article of claim 1 in which said upper area of said attaching part is without any top flange.
Claim 54
Dependent Claim
19 words
The article of claim 10 in which said upper area of said attaching part is without any top flange.
Claim 55
Dependent Claim
23 words
The article of claim 10 in which said sole portion includes a stiff layer, said attaching part being attached to said stiff layer.
Claim 56
Dependent Claim
93 words
In an article of footwear, a sole including heel, shank, and toe areas, a section including a sole portion with upper portion attached thereto, said section resting on said sole in at least one of said areas, said sole portion having at least two apertures with material extending between them, a layer of flexible material extending over said apertures and over said material between said apertures, attaching parts detachably attaching said flexible material to said sole under said apertures, said flexible material having unattached material extending beyond at least one of said apertures.
Claim 57
Dependent Claim
93 words
In an article of footwear, a sole including heel, shank, and toe areas, a section including a sole portion with upper portion attached thereto, said section resting on said sole in at least one of said areas, said sole portion having at least two apertures with material extending between them, a layer of flexible material extending over said apertures and over said material between said apertures, attaching parts detachably attaching said flexible material to said sole under said apertures, said flexible material having unattached material extending beyond at least one of said apertures.
Claim 58
Dependent Claim
20 words
The article of claim 45 and said flexible material having unattached material extending beyond at least one of said apertures.
Claim 59
Dependent Claim
20 words
The article of claim 22 and said flexible material having unattached material extending beyond at least one of said apertures.
Claim 60
Dependent Claim
90 words
In an article of footwear, a sole layer with upper attached thereto forwardly of the heel areas, a heel area section including an upper portion with a sole portion attached thereto, said sole portion resting on the heel section of said sole layer, material extending from said heel area section down the outside edge of said sole layer and under said sole layer, said material helping to maintain the position of said heel area section relative to said sole layer, said heel area section being attached to said sole layer.
Claim 61
Dependent Claim
90 words
In an article of footwear, a sole layer with upper attached thereto forwardly of the heel areas, a heel area section including an upper portion with a sole portion attached thereto, said sole portion resting on the heel section of said sole layer, material extending from said heel area section down the outside edge of said sole layer and under said sole layer, said material helping to maintain the position of said heel area section relative to said sole layer, said heel area section being attached to said sole layer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |