Patent US3098239A successfully refreshed from Google Patents.
US3098239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prosthetic foot
Assignee: Individual
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Filing: 1961-01-18
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Granted: 1963-07-23
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Expires: 1981-01-18
Abstract
No abstract record available.
Inventors
- 👤 Nader Hugo Otto Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:46
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/50; A61F2/60; A61F2/66; A61F2002/6614; A61F2002/6657
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A SOLID ANKLE-CUSHION HEEL PROSTHETIC FOOT COMPRISING, A KEEL HAVING A PORTION THEREOF EXTENDING FORWARDLY AND DOWNWARDLY TO PROVIDE A BOTTOM SURFACE SLOPING GENERALLY FORWARDLY AND DOWNWARDLY FROM AN ELEVATED REAR TERMINUS, ATTACHING MEANS EXTENDING UPWARDLY FROM SAID KEEL AT A POSITION REARWARDLY OF THE FORWARD AND A DOWNWARD PORTION AND ADAPTED TO SECURE SAID FOOT TO A PROSTHETIC ANKLE SEGMENT AN UPPER FOOT PORTION CONSTRUCTED OF A TOUGH BUT RESILIENT MATERIAL AND OVERLYING THE FORWARD PORTION AND SIDES OF SAID KEEL AND EXTENDING FORWARDLY OF THE FORWARDMOST TERMINUS OF SAID KEEL, SAID UPPER PORTION ALSO UNDERLYING THE BOTTOM OF SAID KEEL TO THEREBY COMPLETELY COVER SAID FORWARD PORTION, SAID SIDES AND BOTTOM OF THE KEEL WITH AT LEAST THE SECTION OF SAID UPPER FOOT PORTION THAT UNDERLIES THE REAR PORTION OF SAID KEEL BOTTOM BEING IN DIRECT CONTACT THEREWITH, A GENERALLY HORIZONTAL SOLE PORTION CONSTRUCTED OF RESILIENT MATERIAL HAVING A DENSITY LESS THAN THAT OF THE UPPER AND SECURED TO THE BOTTOM OF SAID UPPER BETWEEN THE FORWARD TERMINUS THEREOF AND THE FORWARD TERMINUS OF SAID KEEL, AND A UNI-
Claim 2
Dependent Claim
181 words
A SOLID ANKLE-CUSHION HEEL PROSTHETIC FOOT COMPRISING, A KEEL HAVING A PORTION THEREOF EXTENDING FORWARDLY AND DOWNWARDLY TO PROVIDE A BOTTOM SURFACE SLOPING GENERALLY FORWARDLY AND DOWNWARDLY FROM AN ELEVATED REAR TERMINUS, ATTACHING MEANS EXTENDING UPWARDLY FROM SAID KEEL AT A POSITION REARWARDLY OF THE FORWARD AND A DOWNWARD PORTION AND ADAPTED TO SECURE SAID FOOT TO A PROSTHETIC ANKLE SEGMENT AN UPPER FOOT PORTION CONSTRUCTED OF A TOUGH BUT RESILIENT MATERIAL AND OVERLYING THE FORWARD PORTION AND SIDES OF SAID KEEL AND EXTENDING FORWARDLY OF THE FORWARDMOST TERMINUS OF SAID KEEL, SAID UPPER PORTION ALSO UNDERLYING THE BOTTOM OF SAID KEEL TO THEREBY COMPLETELY COVER SAID FORWARD PORTION, SAID SIDES AND BOTTOM OF THE KEEL WITH AT LEAST THE SECTION OF SAID UPPER FOOT PORTION THAT UNDERLIES THE REAR PORTION OF SAID KEEL BOTTOM BEING IN DIRECT CONTACT THEREWITH, A GENERALLY HORIZONTAL SOLE PORTION CONSTRUCTED OF RESILIENT MATERIAL HAVING A DENSITY LESS THAN THAT OF THE UPPER AND SECURED TO THE BOTTOM OF SAID UPPER BETWEEN THE FORWARD TERMINUS THEREOF AND THE FORWARD TERMINUS OF SAID KEEL, AND A UNI-
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |