Patent US3683520A successfully refreshed from Google Patents.
US3683520A
Expired / Lapsed
US
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Safety shoelaces
Assignee: INSTITUTE FOR SOCIAL AND SCIENTIFIC DEVELOPMENT 376 EAST 400 SOUTH NO 315 SALT LAKE CITY UTAH 84111 A CORP OF UTAH
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Filing: 1970-10-29
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Granted: 1972-08-15
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Expires: 1990-10-29
Abstract
Abstract This invention consists of shoelaces having T-shaped structure on one end and a spherical member integrally formed on the other end. The T-shaped end of the shoelace is suitably secured in the boots or shoes while the aforesaid spherical member on the other end of each shoelace firmly secures the shoelace either by passing through an opening in the upper side of the boot or shoe or by being suitably secured to an inverted T-shaped structure or the like on the shoe. The aforesaid securing member may or may not be covered by a hinged lid or flap that is located in the instep of the boot or shoe.
Inventors
- 👤 Catalina Partagas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:04
CPC Classifications
A; A43; A43C; A43C7/00; A43C7/04; Y; Y10; Y10T; Y10T24/00; Y10T24/31; Y10T24/37; Y10T24/3703; Y10T24/3705
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
74 words
In combination, a shoelace and a boot, said shoelace having an integral member at each end thereof said members having a shape and size which prevents normal passage thereof through an eyelet of said boot, at least one of said integral members being compressible, said boot having a plurality of eyelets therein through each of which said shoelace is threaded and said boot having exterior means thereon for securing one of said shoelace ends.
Claim 2
Dependent Claim
74 words
In combination, a shoelace and a boot, said shoelace having an integral member at each end thereof said members having a shape and size which prevents normal passage thereof through an eyelet of said boot, at least one of said integral members being compressible, said boot having a plurality of eyelets therein through each of which said shoelace is threaded and said boot having exterior means thereon for securing one of said shoelace ends.
Claim 3
Dependent Claim
23 words
The combination of claim 1 wherein one of said shoelace end members comprises a compressible sphere and the other comprises a T-shaped member.
Claim 4
Dependent Claim
12 words
The combination of claim 1 wherein said shoelace comprises a single straNd.
Claim 5
Dependent Claim
30 words
The combination of claim 1 wherein said securing means comprises an elliptical cord secured on the upper exterior of said boot having adjacent strands for retaining said shoelace end therebetween.
Claim 6
Dependent Claim
23 words
The combination of claim 1 wherein said securing means comprises a hook member around which a portion of said shoelace end is secured.
Claim 7
Dependent Claim
41 words
The combination of claim 1 wherein said securing means comprises a rectangular container having a flap top and an eyelet therein through which said shoelace is threaded, said container being secured adjacent to the instep on the exterior of said boot.
Claim 8
Dependent Claim
19 words
The combination of claim 6 wherein said container is provided with hook fastening means therein for securing said shoelace.
References Cited (Backward Citations)
US304364A
Cited
US1090438A
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US1610359A
Cited
US1685489A
Cited
US2004702A
Cited
DE918137C
Cited
FR1202781A
Cited
US3526977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |