Patent US4227320A successfully refreshed from Google Patents.
US4227320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushioned sole for footwear
Assignee: Individual
•
Filing: 1979-01-15
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Granted: 1980-10-14
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Expires: 1999-01-15
Abstract
Abstract A sole supporting and cushioning member for footwear controlling the movement of foot/leg muscles in the form of a removable, preferably disposable sole shock absorber that is adapted to afford an elastic or cushioned bearing for the wearer's feet which comprises a pliable coil filled with an elastomeric material to resiliently flex with the movement of the sole of the foot.
Inventors
- 👤 Alexander T. Borgeas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:34
CPC Classifications
A; A43; A43B; A43B17/00; A43B17/02; A43B17/03
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
130 words
An insert for covering at least a part of the sole position of footwear comprising: a pad portion, said pad portion comprising a relatively flat sole engageable member having a circular aperture therein, a resilient tubular member secured within said aperture in said flat sole engageable member in a coiled configuration substantially flush with the flat engaging surface of said sole engaging member, said tubular member comprises a hollow configuration filled with a fluid material and means for anchoring the pad to the sole portion of the footwear used, whereby when the sole of a user is applied to said tubular member, it momentarily distorts under its pressure and returns to its initial position when the force is changed thereby serving as a shock and torque absorber for the footwear.
Claim 2
Dependent Claim
130 words
An insert for covering at least a part of the sole position of footwear comprising: a pad portion, said pad portion comprising a relatively flat sole engageable member having a circular aperture therein, a resilient tubular member secured within said aperture in said flat sole engageable member in a coiled configuration substantially flush with the flat engaging surface of said sole engaging member, said tubular member comprises a hollow configuration filled with a fluid material and means for anchoring the pad to the sole portion of the footwear used, whereby when the sole of a user is applied to said tubular member, it momentarily distorts under its pressure and returns to its initial position when the force is changed thereby serving as a shock and torque absorber for the footwear.
Claim 3
Dependent Claim
20 words
The insert set forth in claim 1 wherein: said means comprises loop means for surrounding the arch of a foot.
Claim 4
Dependent Claim
15 words
The insert set forth in claim 2 wherein: said loop means comprises a resilient material.
Claim 5
Dependent Claim
15 words
The insert set forth in claim 2 wherein: said loop means comprises an elastic material.
Claim 6
Dependent Claim
21 words
The insert set forth in claim 2 wherein: said loop means comprises a pair of ties interconnected by a Velcro fastener.
Claim 7
Dependent Claim
32 words
The insert set forth in claim 1 wherein: said means comprises a toe surrounding means fastened to said pad portion for anchoring the pad to the foot when within the footwear used.
Claim 8
Dependent Claim
18 words
The insert set forth in claim 6 wherein: said toe surrounding means comprises a pair of tie strings.
Claim 9
Dependent Claim
32 words
The insert set forth in claim 6 wherein: said toe surrounding means comprises a loop means for surrounding at least one toe of the foot under which said pad portion is positioned.
Claim 10
Dependent Claim
20 words
The insert set forth in claim 1 wherein: said tubular member comprises a hollow configuration filled with an elastomeric material.
Claim 11
Dependent Claim
17 words
The insert set forth in claim 1 wherein: said pad portion is formed of a fibrous material.
Claim 12
Dependent Claim
48 words
The insert set forth in claim 6 and further comprising: a second pad portion interconnected by said toe surrounding means to said pad portion, said second pad portion being substantially of the same geometrical configuration as said pad portion and aligned and juxtapositioned therewith when forming the insert.
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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) | 1983-10-14 | 1984-04-14 | 1984-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-14 | 1988-04-14 | 1988-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-14 | 1992-04-14 | 1992-10-14 | $7700.00 | Window Closed / Lapsed |