Patent US4598486A successfully refreshed from Google Patents.
US4598486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective sole assembly
Assignee: GREB INTERNATIONAL Co Ltd PARTNERSHIP/SOCIETE EN COMMANDITE GREB INTERNATIONAL
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Filing: 1985-01-15
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Granted: 1986-07-08
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Expires: 2005-01-15
Abstract
Abstract A sole construction for protective shoes comprises a protective mid-sole and an integrally molded insole and heel plug, the plug portion including a top surface, a recessed bed in the top surface, spaced-apart anchoring projections in the recessed bed and a slot extending through the insole laterally thereof adjacent the plug and communicating with the recessed bed. The mid-sole being coextensive with the insole and including a rearward extension adapted to pass through the slot in the insole and be received in the recessed bed. The rearward extension of the mid-sole includes complementary anchoring seats adapted to be selectively engaged by at least one of the anchoring projections in the bed.
Inventors
- 👤 Icaro Olivieri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:37
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/32
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
115 words
A sole assembly including a protective mid-sole and an integrally molded insole and heel plug, the plug portion including a top surface, a recessed bed having side walls in the top surface, spaced-apart saw-tooth projections on the side walls in the recessed bed, a slot extending through the insole laterally thereof adjacent the plug and communicating with the recessed bed, the protective mid-sole including a rearward extension adapted to pass through the slot in the insole and be received in the recessed bed, the rearward extension of the mid-sole including complementary saw-tooth projections adapted to be engaged by the saw-tooth projections on the side walls of the recess to provide both lengthwise and widthwise stability.
Claim 2
Dependent Claim
115 words
A sole assembly including a protective mid-sole and an integrally molded insole and heel plug, the plug portion including a top surface, a recessed bed having side walls in the top surface, spaced-apart saw-tooth projections on the side walls in the recessed bed, a slot extending through the insole laterally thereof adjacent the plug and communicating with the recessed bed, the protective mid-sole including a rearward extension adapted to pass through the slot in the insole and be received in the recessed bed, the rearward extension of the mid-sole including complementary saw-tooth projections adapted to be engaged by the saw-tooth projections on the side walls of the recess to provide both lengthwise and widthwise stability.
Claim 3
Dependent Claim
32 words
A sole assembly as defined in claim 1, wherein the projections on the side walls of the recessed bed taper inwardly from the bottom of the recessed bed to the top thereof.
Claim 4
Dependent Claim
29 words
A sole assembly as defined in claim 1, wherein the rearward extension of the mid-sole can be anchored adjustable as to the relative length thereof within the recessed bed.
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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) | 1989-07-07 | 1990-01-06 | 1990-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-07 | 1994-01-06 | 1994-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-07 | 1998-01-06 | 1998-07-08 | $7700.00 | Window Closed / Lapsed |