Patent US5357692A successfully refreshed from Google Patents.
US5357692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable ice walking assistance device
Assignee: Individual
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Filing: 1993-08-23
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Granted: 1994-10-25
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Expires: 2013-08-23
Abstract
Abstract The novel portable ice walking assistance device comprises a plurality of main horizontal plates. Each of the plates have foldable vertical end pieces at one end of the main horizontal plates. The main plates are attached together to form a three sided device that can be positioned on the sole of the user's shoe. A pair of the devices is used by an individual. Each of the horizontal plates have a plurality of small vertical prongs to assist in the gripping capability in ice conditions. A quick release mechanism is connected to one of the vertical end pieces to permit attaching to the shoe and ease of release of the device.
Inventors
- 👤 Richard F. Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:29
CPC Classifications
A; A43; A43C; A43C15/00; A43C15/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
173 words
A portable ice walking assisting device for use by individuals in slippery conditions, comprising: a plurality of horizontal plates; said horizontal plates having adjustable connection means for permitting said plates to be connected to each other; said horizontal plates further having a plurality of vertical spikes extending downward from said horizontal plates for providing traction for said device; said horizontal plates further having rotatable end portions for permitting said device to be positioned to the sole of the user's shoe; said rotatable end portions having hooking means for attaching said end portions to said horizontal plates; said hooking means allowing said rotatable end portions to lay parallel to said horizontal plate when folded for storage; said rotatable end portions further having protruding means for holding said rotatable portions against said soles of said shoes; one of said rotatable end portions further having extending means for locking said device on said sole; and said extending means having release means for retracting said extending means when said device is to be removed from said sole.
Claim 2
Dependent Claim
173 words
A portable ice walking assisting device for use by individuals in slippery conditions, comprising: a plurality of horizontal plates; said horizontal plates having adjustable connection means for permitting said plates to be connected to each other; said horizontal plates further having a plurality of vertical spikes extending downward from said horizontal plates for providing traction for said device; said horizontal plates further having rotatable end portions for permitting said device to be positioned to the sole of the user's shoe; said rotatable end portions having hooking means for attaching said end portions to said horizontal plates; said hooking means allowing said rotatable end portions to lay parallel to said horizontal plate when folded for storage; said rotatable end portions further having protruding means for holding said rotatable portions against said soles of said shoes; one of said rotatable end portions further having extending means for locking said device on said sole; and said extending means having release means for retracting said extending means when said device is to be removed from said sole.
Claim 3
Dependent Claim
62 words
A portable ice walking assistance device, according to claim 1, wherein: said horizontal plates comprise lightweight, sturdy material; one of said horizontal plates having an adjustment aperture; the other of said horizontal plates plates have an adjustment slot located therein; and said adjustable connection means comprises a screw and lock washer to be inserted in said adjustment aperture and said adjustment slot.
Claim 4
Dependent Claim
34 words
A portable ice walking assistance device, according to claim 1, wherein: said hooking means in said end portions comprise closed loops on said end portions that are positioned around extension on said horizontal plates.
Claim 5
Dependent Claim
18 words
A portable ice walking assistance device, according to claim 1, wherein: said protruding means comprises small, inward spikes.
Claim 6
Dependent Claim
79 words
A portable ice walking assistance device, according to claim 1, wherein: said extending means on one of said end portions comprises a rotatable vertical plate attached to the top end of said end portion; said extending means further comprises a horizontal control plate attached to said vertical plate for permitting the user to push the extending means to lock the unit in position and pull the horizontal control plate to release said device from said sole of the shoe.
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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) | 1997-10-24 | 1998-04-25 | 1998-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-24 | 2002-04-25 | 2002-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-24 | 2006-04-25 | 2006-10-25 | $7700.00 | Window Closed / Lapsed |