US3142910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Footwear with heel-follower
Assignee: Individual
•
Filing: 1959-11-18
•
Granted: 1964-08-04
•
Expires: 1979-11-18
Abstract
No abstract record available.
Inventors
- 👤 Levine Beth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:52
CPC Classifications
A; A43; A43B; A43B21/00; A43B21/24; A43B21/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN AN ARTICLE OF FOOTWEAR, A SHOE FOUNDATION STRUCTURE INCLUDING A SOLE STRUCTURE HAVING A BALL PORTION, A SHANK PORTION AND A HEEL PORTION, A HEEL PROVIDED ON THE UNDERSURFACE OF SAID HEEL PORTION, A FIRST RESILIENT LEAF ELEMENT EXTENDING FROM SAID BALL TO SAID HEEL PORTION TO NORMALLY BIAS SAID HEEL TO A POSITION ABOVE THE PLANE OF SAID BALL PORTION, A HEEL FOLLOWER HAVING A BALL PORTION, A SHANK PORTION AND A HEEL PORTION OVERLYING THE CORRESPONDING PORTIONS OF SAID SOLE STRUCTURE, SAID HEEL FOLLOWER BEING SECURED TO SAID SOLE STRUCTURE ONLY IN THE REGION OF THE RESPECTIVE BALL PORTIONS THEREOF, AND A SECOND RESILIENT LEAF ELEMENT PROVIDED ON SAID HEEL FOLLOWER AND BIASING THE LATTER AWAY FROM SAID SOLE STRUCTURE.
Claim 2
Dependent Claim
123 words
IN AN ARTICLE OF FOOTWEAR, A SHOE FOUNDATION STRUCTURE INCLUDING A SOLE STRUCTURE HAVING A BALL PORTION, A SHANK PORTION AND A HEEL PORTION, A HEEL PROVIDED ON THE UNDERSURFACE OF SAID HEEL PORTION, A FIRST RESILIENT LEAF ELEMENT EXTENDING FROM SAID BALL TO SAID HEEL PORTION TO NORMALLY BIAS SAID HEEL TO A POSITION ABOVE THE PLANE OF SAID BALL PORTION, A HEEL FOLLOWER HAVING A BALL PORTION, A SHANK PORTION AND A HEEL PORTION OVERLYING THE CORRESPONDING PORTIONS OF SAID SOLE STRUCTURE, SAID HEEL FOLLOWER BEING SECURED TO SAID SOLE STRUCTURE ONLY IN THE REGION OF THE RESPECTIVE BALL PORTIONS THEREOF, AND A SECOND RESILIENT LEAF ELEMENT PROVIDED ON SAID HEEL FOLLOWER AND BIASING THE LATTER AWAY FROM SAID SOLE STRUCTURE.
References Cited (Backward Citations)
FR954918A
Cited
US773628A
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FR472735A
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US1746069A
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US2008060A
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US2121261A
Cited
FR887223A
Cited
FR905244A
Cited
US2407498A
Cited
GB613754A
Cited
US2442007A
Cited
US2967362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |