US3082553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety shoes
Assignee: Textron Inc
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Filing: 1961-10-23
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Granted: 1963-03-26
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Expires: 1981-10-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Wilmanns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:34
CPC Classifications
A; A43; A43C; A43C13/00; A43C13/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN A SAFETY SHOE HAVING AN INSTEP PORTION AND HAVING A FLEXIBLE TOE PORTION WITH SPACED SLITS AND HAVING A RIGID TOE PROTECTOR PERMANENTLY WITHIN AND COVERED BY SAID FLEXIBLE TOE PORTION, THE IMPROVEMENT COMPRISING: A HINGE BRACKET PERMANENTLY SECURED TO THE UPPER SURFACE OF SAID RIGID TOE PROTECTOR BENEATH SAID FLEXIBLE TOE PORTION AND HAVING SPACED HINGE EARS PROJECTING THROUGH THE SPACED SLITS OF THE FLEXIBLE COVERING OF SAID TOE PORTION; A RIGID, INSTEP GUARD NORMALLY POSITIONED TO OVERLIE THE INSTEP PORTION OF SAID SHOE, SAID INSTEP GUARD HAVING A LOWER END OVERLAPPING SAID TOE PROTECTOR; A CYLINDRICAL HINGE ELEMENT SECURED TO ON THE UNDERSIDE OF SAID INSTEP GUARD ADJACENT ITS LOWER END, SAID HINGE ELEMENT INTERFITTING BETWEEN SAID SPACED HINGE EARS ON THE TOE PORTION; AND MEANS EXTERNAL TO SAID TOE PORTION SECURING SAID HINGE ELEMENTS TOGETHER TO FORM A HINGE CONNECTION WHEREBY SAID INSTEP GUARD CAN BE SWUNG ABOUT SAID HINGE FROM ITS NORMAL POSITION OVERLYING THE INSTEP PORTION OF SAID SHOE TO A POSITION SPACED THEREFROM.
Claim 2
Dependent Claim
170 words
IN A SAFETY SHOE HAVING AN INSTEP PORTION AND HAVING A FLEXIBLE TOE PORTION WITH SPACED SLITS AND HAVING A RIGID TOE PROTECTOR PERMANENTLY WITHIN AND COVERED BY SAID FLEXIBLE TOE PORTION, THE IMPROVEMENT COMPRISING: A HINGE BRACKET PERMANENTLY SECURED TO THE UPPER SURFACE OF SAID RIGID TOE PROTECTOR BENEATH SAID FLEXIBLE TOE PORTION AND HAVING SPACED HINGE EARS PROJECTING THROUGH THE SPACED SLITS OF THE FLEXIBLE COVERING OF SAID TOE PORTION; A RIGID, INSTEP GUARD NORMALLY POSITIONED TO OVERLIE THE INSTEP PORTION OF SAID SHOE, SAID INSTEP GUARD HAVING A LOWER END OVERLAPPING SAID TOE PROTECTOR; A CYLINDRICAL HINGE ELEMENT SECURED TO ON THE UNDERSIDE OF SAID INSTEP GUARD ADJACENT ITS LOWER END, SAID HINGE ELEMENT INTERFITTING BETWEEN SAID SPACED HINGE EARS ON THE TOE PORTION; AND MEANS EXTERNAL TO SAID TOE PORTION SECURING SAID HINGE ELEMENTS TOGETHER TO FORM A HINGE CONNECTION WHEREBY SAID INSTEP GUARD CAN BE SWUNG ABOUT SAID HINGE FROM ITS NORMAL POSITION OVERLYING THE INSTEP PORTION OF SAID SHOE TO A POSITION SPACED THEREFROM.
References Cited (Backward Citations)
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |