Patent US3307536A successfully refreshed from Google Patents.
US3307536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Walking heel for plaster casts
Assignee: Individual
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Filing: 1964-07-15
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Granted: 1967-03-07
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Expires: 1984-07-15
Abstract
No abstract record available.
Inventors
- 👤 Howard W Blosser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:51
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/04; A61F13/041; A61F13/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A WALKING HEEL FOR PLASTER CASTS COMPRISING A ONEPIECE INTEGRAL MEMBER FORMED OF RESILIENT MATERIAL AND INCLUDING: (A) A GENERALLY PLANAR AND RECTANGULAR PLATFORM ADAPTED TO BE POSITIONED AND SECURED AGAINST THE SOLE OF PLASTER CAST ENCASING A PATIENT''S FOOT, BENEATH THE CONCAVE INSTEP CONTOUR OF SAID CAST, AND WITH ITS MAJOR AXIS EXTENDING PARALLEL TO THE LONGITUDINAL MIDLINE OF THE FOOT, (B) A GROUND-ENGAGING CLEAT DEPENDING FROM SAID PLATFORM, AND (C) AN UPWARDLY CONVEX PROTUBERANCE ON THE UPPER SURFACE OF SAID PLATFORM AND SHAPED TO ENGAGE SNUGLY IN THE INSTEP CONTOUR OF THE SOLE OF SAID CAST, WHEREBY SAID CLEAT IS POSITIONED LONGITUDINALLY OF THE WEARER''S FOOT IN POSITIVE RELATION TO THE TRANSVERSE VERTICAL PLANE OF THIS WEIGHT-SUPPORT LINE OF THE WEARER''S LEG.
Claim 2
Dependent Claim
124 words
A WALKING HEEL FOR PLASTER CASTS COMPRISING A ONEPIECE INTEGRAL MEMBER FORMED OF RESILIENT MATERIAL AND INCLUDING: (A) A GENERALLY PLANAR AND RECTANGULAR PLATFORM ADAPTED TO BE POSITIONED AND SECURED AGAINST THE SOLE OF PLASTER CAST ENCASING A PATIENT''S FOOT, BENEATH THE CONCAVE INSTEP CONTOUR OF SAID CAST, AND WITH ITS MAJOR AXIS EXTENDING PARALLEL TO THE LONGITUDINAL MIDLINE OF THE FOOT, (B) A GROUND-ENGAGING CLEAT DEPENDING FROM SAID PLATFORM, AND (C) AN UPWARDLY CONVEX PROTUBERANCE ON THE UPPER SURFACE OF SAID PLATFORM AND SHAPED TO ENGAGE SNUGLY IN THE INSTEP CONTOUR OF THE SOLE OF SAID CAST, WHEREBY SAID CLEAT IS POSITIONED LONGITUDINALLY OF THE WEARER''S FOOT IN POSITIVE RELATION TO THE TRANSVERSE VERTICAL PLANE OF THIS WEIGHT-SUPPORT LINE OF THE WEARER''S LEG.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |