US3206874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety shoe having an improved guard flap
Assignee: Endicott Johnson Corp
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Filing: 1965-04-16
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Granted: 1965-09-21
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Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 Robert L Ellis
- 👤 Earl H Ingalls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:43
CPC Classifications
A; A43; A43C; A43C11/00; A43C11/20; A43B; A43B23/00; A43B23/08; A43B23/081; A43B23/082; A43B7/00; A43B7/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
AN IMPROVED FOOT PROTECTOR FOR USE WITH A SAFETY SHOE OF THE TYPE HAVING A SHOE UPPER WITH TOE, MATATERSAL AND INSTEP PORTIONS AND WITH A SOLE ASSEMBLY SECURED THERETO WITH MARGINAL PORTIONS PROJECTING BEYOND THE FRONT AND SIDES OF THE SHOE UPPER, SAID FOOT PROTECTOR COMPRISING: A GENERALLY U-SHAPED FLAT ATTACHING PLATE FOR ATTACHMENT TO THE UPPER SURFACE OF THE MARGINAL PORTION OF THE SOLE ASSEMBLY AROUND THE FRONT AND SIDES OF THE TOE AND MATATARSAL PORTIONS OF THE SHOE AND A GUARD FLAP MADE OF A RIGID MATERIAL AND OF LENGTH TO EXTEND FROM THE FRONT END OF THE SHOE OVER THE TOE PORTION, MATATARSAL PORTION AND INSTEP PORTION OF THE SHOE UPPER AND BEING HINGEDLY SECURED TO THE FRONT PORTION OF THE ATTACHING PLATE SO THAT THE FLAP CAN BE PIVOTED UPWARDLY TO INOPERATIVE POSITION AND DOWNWARDLY TO PERATE POSITION, SAID FLAP HAVING A TRANSVERSELY AND LONGITUDINALLY CONCAVE INNER SURFACE AT ITS FORWARD PORTION AND BEING FORMED WITH DOWNWARDLY EXTENDING FORWARD AND SIDE EDGES SO AS TO OBTAIN SUPPORT FROM SAID PLATE WHEN A FORCE IS APPLIED TO THE FLAP WHILE IN OPERATIVE POSITON.
Claim 2
Dependent Claim
187 words
AN IMPROVED FOOT PROTECTOR FOR USE WITH A SAFETY SHOE OF THE TYPE HAVING A SHOE UPPER WITH TOE, MATATERSAL AND INSTEP PORTIONS AND WITH A SOLE ASSEMBLY SECURED THERETO WITH MARGINAL PORTIONS PROJECTING BEYOND THE FRONT AND SIDES OF THE SHOE UPPER, SAID FOOT PROTECTOR COMPRISING: A GENERALLY U-SHAPED FLAT ATTACHING PLATE FOR ATTACHMENT TO THE UPPER SURFACE OF THE MARGINAL PORTION OF THE SOLE ASSEMBLY AROUND THE FRONT AND SIDES OF THE TOE AND MATATARSAL PORTIONS OF THE SHOE AND A GUARD FLAP MADE OF A RIGID MATERIAL AND OF LENGTH TO EXTEND FROM THE FRONT END OF THE SHOE OVER THE TOE PORTION, MATATARSAL PORTION AND INSTEP PORTION OF THE SHOE UPPER AND BEING HINGEDLY SECURED TO THE FRONT PORTION OF THE ATTACHING PLATE SO THAT THE FLAP CAN BE PIVOTED UPWARDLY TO INOPERATIVE POSITION AND DOWNWARDLY TO PERATE POSITION, SAID FLAP HAVING A TRANSVERSELY AND LONGITUDINALLY CONCAVE INNER SURFACE AT ITS FORWARD PORTION AND BEING FORMED WITH DOWNWARDLY EXTENDING FORWARD AND SIDE EDGES SO AS TO OBTAIN SUPPORT FROM SAID PLATE WHEN A FORCE IS APPLIED TO THE FLAP WHILE IN OPERATIVE POSITON.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |