Patent US4446635A successfully refreshed from Google Patents.
US4446635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice-creeper type overshoe
Assignee: Individual
•
Filing: 1983-04-15
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Granted: 1984-05-08
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Expires: 2003-04-15
Abstract
Abstract An article of footwear for walking on sheet ice and the like without slipping has self-deicing non-skid sole structure comprising a conventional flexible sole with a flexible aluminum flyscreen substantially loose covering over it, secured around the periphery of the sole; for preventing slipping on hard, smooth tile floors and the like are two other features, either or both of which may be provided: soft "Silicone" type rubber pads adhering to and flexing with selected portions of the flexible aluminum flyscreen loose covering for traction on such hard surfaces and also an all around downward projection of a soft trim strip of "Silicone" type rubber for the same purpose.
Inventors
- 👤 Donald W. Hayden, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:45
CPC Classifications
A; A43; A43C; A43C15/00; A43C15/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
204 words
In footwear of the type which flexes as the user walks and which has: a vamp, a sole which flexes during said walking and has a top, upright sides and bottom with heel and toe areas, means for assembling the vamp and sole; and wire mesh type means for preventing slipping, attached at the sole; the improvement comprising: the wire mesh type means for preventing slipping including: the bottom of the sole having thereon a substantially loose covering of aluminum flyscreen for shedding ice and snow from the bottom of the footwear, including attachment of the substantially loose covering of aluminum flyscreen permitting flexing the substantially loose covering of aluminum flyscreen in response to flexure of said sole, said substantially loose covering of aluminum flyscreen attached around the upright sides of said sole but being free of attachment to the bottom of the sole, means on said substantially loose covering of aluminum flyscreen for maintaining traction on smooth, hard tile floors and the like, and said attachment around the upright sides comprising said substantially loose covering of aluminum flyscreen having connective portions extending up around said upright sides and on the top of a flap portion of said sole extending horizontally around said vamp.
Claim 2
Dependent Claim
204 words
In footwear of the type which flexes as the user walks and which has: a vamp, a sole which flexes during said walking and has a top, upright sides and bottom with heel and toe areas, means for assembling the vamp and sole; and wire mesh type means for preventing slipping, attached at the sole; the improvement comprising: the wire mesh type means for preventing slipping including: the bottom of the sole having thereon a substantially loose covering of aluminum flyscreen for shedding ice and snow from the bottom of the footwear, including attachment of the substantially loose covering of aluminum flyscreen permitting flexing the substantially loose covering of aluminum flyscreen in response to flexure of said sole, said substantially loose covering of aluminum flyscreen attached around the upright sides of said sole but being free of attachment to the bottom of the sole, means on said substantially loose covering of aluminum flyscreen for maintaining traction on smooth, hard tile floors and the like, and said attachment around the upright sides comprising said substantially loose covering of aluminum flyscreen having connective portions extending up around said upright sides and on the top of a flap portion of said sole extending horizontally around said vamp.
Claim 3
Dependent Claim
204 words
In footwear of the type which flexes as the user walks and which has: a vamp, a sole which flexes during said walking and has a top, upright sides and bottom with heel and toe areas, means for assembling the vamp and sole; and wire mesh type means for preventing slipping, attached at the sole; the improvement comprising: the wire mesh type means for preventing slipping including: the bottom of the sole having thereon a substantially loose covering of aluminum flyscreen for shedding ice and snow from the bottom of the footwear including attachment of the substantially loose covering of aluminum flyscreen permitting flexing the substantially loose covering of aluminum flyscreen in response to flexure of said sole, said substantially loose covering of aluminum flyscreen attached around the upright sides of said sole but being free of attachment to the bottom of the sole, means around said substantially loose covering of aluminum flyscreen for maintaining traction on smooth, hard tile floors and the like, comprising a trim ring around said sole, said trim ring being of soft elastomeric material, the trim ring having a bottom edge, and said bottom edge of the trim ring protruding downward below said substantially loose covering of aluminum flyscreen.
Claim 4
Dependent Claim
204 words
In footwear of the type which flexes as the user walks and which has: a vamp, a sole which flexes during said walking and has a top, upright sides and bottom with heel and toe areas, means for assembling the vamp and sole; and wire mesh type means for preventing slipping, attached at the sole; the improvement comprising: the wire mesh type means for preventing slipping including: the bottom of the sole having thereon a substantially loose covering of aluminum flyscreen for shedding ice and snow from the bottom of the footwear including attachment of the substantially loose covering of aluminum flyscreen permitting flexing the substantially loose covering of aluminum flyscreen in response to flexure of said sole, said substantially loose covering of aluminum flyscreen attached around the upright sides of said sole but being free of attachment to the bottom of the sole, means around said substantially loose covering of aluminum flyscreen for maintaining traction on smooth, hard tile floors and the like, comprising a trim ring around said sole, said trim ring being of soft elastomeric material, the trim ring having a bottom edge, and said bottom edge of the trim ring protruding downward below said substantially loose covering of aluminum flyscreen.
Claim 5
Dependent Claim
182 words
In footwear of the type which flexes as the user walks and which has: a vamp, a sole which flexes during said walking and has a top, upright sides and bottom with heel and toe areas, means for assembling the vamp and sole; and wire mesh type means for preventing slipping, attached at the sole; the improvement comprising: the wire mesh type means for preventing slipping including: the bottom of the sole having thereon a substantially loose covering of aluminum flyscreen for shedding ice and snow from the bottom of the footwear, including attachment of the substantially loose covering of aluminum flyscreen permitting flexing the substantially loose covering of aluminum flyscreen in response to flexure of said sole, said substantially loose covering of aluminum flyscreen attached around the upright sides of said sole but being free of attachment to the bottom of the sole, means on said substantially loose covering of aluminum flyscreen for maintaining traction on smooth, hard tile floors and the like, comprising soft elastomeric material embedded upon a plurality of areas of said substantially loose covering of aluminum flyscreen.
Claim 6
Dependent Claim
182 words
In footwear of the type which flexes as the user walks and which has: a vamp, a sole which flexes during said walking and has a top, upright sides and bottom with heel and toe areas, means for assembling the vamp and sole; and wire mesh type means for preventing slipping, attached at the sole; the improvement comprising: the wire mesh type means for preventing slipping including: the bottom of the sole having thereon a substantially loose covering of aluminum flyscreen for shedding ice and snow from the bottom of the footwear, including attachment of the substantially loose covering of aluminum flyscreen permitting flexing the substantially loose covering of aluminum flyscreen in response to flexure of said sole, said substantially loose covering of aluminum flyscreen attached around the upright sides of said sole but being free of attachment to the bottom of the sole, means on said substantially loose covering of aluminum flyscreen for maintaining traction on smooth, hard tile floors and the like, comprising soft elastomeric material embedded upon a plurality of areas of said substantially loose covering of aluminum flyscreen.
Claim 7
Dependent Claim
21 words
In footwear as recited in claim 2, said soft elastomeric material protruding downwardly from the substantially loose covering of aluminum flyscreen.
Claim 8
Dependent Claim
23 words
In footwear as recited in claim 4, said soft elastomeric material being of material that remains soft when cold, such as "Silicone" rubber.
Claim 9
Dependent Claim
21 words
In footwear as recited in claim 5, said soft elastomeric material being free of attachment to the bottom of said sole.
Claim 10
Dependent Claim
34 words
In footwear as recited in claim 3, said plurality of areas including an arcuate area adjacent the heel area of the sole and a further arcuate area adjacent the toe area of the sole.
Claim 11
Dependent Claim
214 words
In footwear of the type which flexes as the user walks and which has: a vamp, a sole which flexes during said walking and has a top, upright sides and bottom with heel and toe areas, means for assembling the vamp and sole; and wire mesh type means for preventing slipping, attached at the sole; the improvement comprising: the wire mesh type means for preventing slipping including: the bottom of the sole having thereon a substantially loose covering of aluminum flyscreen for shedding ice and snow from the bottom of the footwear, including attachment of the substantially loose covering of aluminum flyscreen permitting flexing the substantially loose covering of aluminum flyscreen in response to flexure of said sole, said attachment permitting flexing including the substantially loose covering of aluminum flyscreen having said attachment around the upright sides of said sole but being free of attachment to the bottom of the sole, said attachment around the upright sides comprising said substantially loose covering of aluminum flyscreen having connective portions extending up around said upright sides and on the top of a flap portion of said sole extending horizontally around said vamp a trim ring of elastomeric material extending around and holding said upwardly extending connective portions, and said flap being secured inside said trim ring.
Claim 12
Dependent Claim
214 words
In footwear of the type which flexes as the user walks and which has: a vamp, a sole which flexes during said walking and has a top, upright sides and bottom with heel and toe areas, means for assembling the vamp and sole; and wire mesh type means for preventing slipping, attached at the sole; the improvement comprising: the wire mesh type means for preventing slipping including: the bottom of the sole having thereon a substantially loose covering of aluminum flyscreen for shedding ice and snow from the bottom of the footwear, including attachment of the substantially loose covering of aluminum flyscreen permitting flexing the substantially loose covering of aluminum flyscreen in response to flexure of said sole, said attachment permitting flexing including the substantially loose covering of aluminum flyscreen having said attachment around the upright sides of said sole but being free of attachment to the bottom of the sole, said attachment around the upright sides comprising said substantially loose covering of aluminum flyscreen having connective portions extending up around said upright sides and on the top of a flap portion of said sole extending horizontally around said vamp a trim ring of elastomeric material extending around and holding said upwardly extending connective portions, and said flap being secured inside said trim ring.
Claim 13
Dependent Claim
22 words
In footwear as recited in claim 1, a trim ring of elastomeric material extending around and holding said upwardly extending connective portions.
Claim 14
Dependent Claim
26 words
In footwear as recited in claim 9, a flap extending horizontally around said vamp, and said flap, on said assembly, being secured inside said trim ring.
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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) | 1987-05-08 | 1987-11-07 | 1988-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-08 | 1991-11-07 | 1992-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-08 | 1995-11-07 | 1996-05-08 | $7700.00 | Window Closed / Lapsed |