US3120712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe construction
Assignee: Individual
•
Filing: 1961-08-30
•
Granted: 1964-02-11
•
Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 Menken Lester Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:43
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/18; A43B13/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SHOE CONSTRUCTION COMPRISING AN UPPER PORTION ATTACHED TO AN INNER SOLE, AN OUTER SOLE BENEATH SAID INNER SOLE, A WALL LOCATED BETWEEN SAID SOLES ABOUT THE PERIPHERIES THEREOF DEFINING AN ENCLOSED SPACE BETWEEN SAID SOLES, A HOLLOW FLEXIBLE BLADDER LOCATED WITHIN SAID SPACE, A PRESSURIZED FLUID WITHIN SAID BLADDER AND A RELATIVELY STIFF PLATE LOCATED BENEATH SAID INNER SOLE AT THE TOP OF SAID SPACE AND BEING SUPPORTED ON TOP OF SAID FLEXIBLE BLADDER, SAID PLATE BEING DISCONNECTED WITH RESPECT TO SAID INNER SOLE AND WITH RESPECT TO SAID WALL, AND EXTENDING SUBSTANTIALLY COMPLETELY ACROSS SAID SPACE, SAID PLATE HAVING LONGITUDINAL AND TRANSVERSE DIMENSIONS LESS THAN THE CORRESPONDING DIMENSIONS OF SAID SPACE WHEREBY SAID PLATE IS FREE OF ATTACHMENT WITH SAID WALL AND IS FREE TO MOVE RELATIVE TO SAID WALL.
Claim 2
Dependent Claim
132 words
A SHOE CONSTRUCTION COMPRISING AN UPPER PORTION ATTACHED TO AN INNER SOLE, AN OUTER SOLE BENEATH SAID INNER SOLE, A WALL LOCATED BETWEEN SAID SOLES ABOUT THE PERIPHERIES THEREOF DEFINING AN ENCLOSED SPACE BETWEEN SAID SOLES, A HOLLOW FLEXIBLE BLADDER LOCATED WITHIN SAID SPACE, A PRESSURIZED FLUID WITHIN SAID BLADDER AND A RELATIVELY STIFF PLATE LOCATED BENEATH SAID INNER SOLE AT THE TOP OF SAID SPACE AND BEING SUPPORTED ON TOP OF SAID FLEXIBLE BLADDER, SAID PLATE BEING DISCONNECTED WITH RESPECT TO SAID INNER SOLE AND WITH RESPECT TO SAID WALL, AND EXTENDING SUBSTANTIALLY COMPLETELY ACROSS SAID SPACE, SAID PLATE HAVING LONGITUDINAL AND TRANSVERSE DIMENSIONS LESS THAN THE CORRESPONDING DIMENSIONS OF SAID SPACE WHEREBY SAID PLATE IS FREE OF ATTACHMENT WITH SAID WALL AND IS FREE TO MOVE RELATIVE TO SAID WALL.
References Cited (Backward Citations)
US570814A
Cited
GB189606684A
Cited
US1109130A
Cited
US2037230A
Cited
FR860419A
Cited
US2605560A
Cited
US2682712A
Cited
US2677904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |