US3589037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot cushioning support member
Assignee: Individual
•
Filing: 1969-05-27
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Granted: 1971-06-29
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Expires: 1989-05-27
Abstract
Abstract A foot supporting and cushioning member for footwear in the nature of a removable, preferably disposable, liner constructed from a pair of laminated gas impervious sheets of thin, lightweight, elastic material, and having a multiplicity of separate gas filled pockets distributed over the support surface of the member.
Inventors
- 👤 John P Gallagher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:53
CPC Classifications
A; A43; A43B; A43B17/00; A43B17/02; A43B17/03
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
85 words
In a shoe, a foot supporting and cushioning footwear liner comprising a composite laminated pair of gas impervious sheets of thin, lightweight elastic material, including a base sheet and an upper sheet, said upper sheet constituting a foot support surface, the composite laminated sheets incorporaTing a multiplicity of upwardly protruding exposed gas filled pockets defined in the upper foot support sheet in spaced distribution thereover and providing a plurality of separate foot support elements permitting air circulation thereabout and about the foot of a user.
Claim 2
Dependent Claim
85 words
In a shoe, a foot supporting and cushioning footwear liner comprising a composite laminated pair of gas impervious sheets of thin, lightweight elastic material, including a base sheet and an upper sheet, said upper sheet constituting a foot support surface, the composite laminated sheets incorporaTing a multiplicity of upwardly protruding exposed gas filled pockets defined in the upper foot support sheet in spaced distribution thereover and providing a plurality of separate foot support elements permitting air circulation thereabout and about the foot of a user.
Claim 3
Dependent Claim
48 words
In a shoe, a foot supporting and cushioning member as claimed in claim 1, said base sheet being planar and said upper sheet having partial pockets defined therein such that as laminated, closed gas filled pockets are formed between the sheets and extending upwardly from said upper sheet.
Claim 4
Dependent Claim
39 words
In a shoe, a foot supporting and cushioning member as claimed in claim 2, said pockets being hemispherical with flat bases provided by said planar sheet and said pockets extending upwardly from said flat bases for foot user contact.
Claim 5
Dependent Claim
26 words
In a shoe, a foot supporting and cushioning member as claimed in claim 3, said sheets being joined in planar areas surrounding and intermediate said pockets.
Claim 6
Dependent Claim
31 words
In a shoe, a foot supporting and cushioning member as claimed in claim 4, said sheet material consisting of a heat sealable plastic and said sheets being laminated by heat sealing.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
FR1103746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |