Patent US3742622A successfully refreshed from Google Patents.
US3742622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sports shoes
Assignee: Individual
•
Filing: 1971-07-19
•
Granted: 1973-07-03
•
Expires: 1991-07-19
Abstract
Abstract A sports shoe including cushioning for the foot of the wearer in which the cushioning is formed by a sheath of weldable plastics film material, the space within the sheath, which may be filled with a foam, being externally closed by at least one weld applied at the edge of the sheath.
Inventors
- 👤 A Dassler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:14
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/26; A43B5/00; A43B5/06
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
61 words
A sports shoe comprising a sole; an upper; a toe and heel portion affixed to said sole and said upper; a tongue secured to said upper; and cushioning means comprising a sheath including a foam material enclosed therein said sheath being a weldable material, said sheath having edges and being externally closed by at least one weld at an edge thereof.
Claim 2
Dependent Claim
61 words
A sports shoe comprising a sole; an upper; a toe and heel portion affixed to said sole and said upper; a tongue secured to said upper; and cushioning means comprising a sheath including a foam material enclosed therein said sheath being a weldable material, said sheath having edges and being externally closed by at least one weld at an edge thereof.
Claim 3
Dependent Claim
17 words
A sports shoe as claimed in claim 1, wherein the sheath consists of an air impermeable material.
Claim 4
Dependent Claim
28 words
A sports shoe as claimed in claim 1, wherein the cushioning forms part of said tongue, and comprises two superposed layers of weldable film welded to one another.
Claim 5
Dependent Claim
30 words
A sports shoe as claimed in claim 3, wherein said tongue is divided, by longitudinally extending welds, into a middle part and edge parts which can be folded relative thereto.
Claim 6
Dependent Claim
31 words
A sports shoe as claimed in claim 1, wherein said sheath is located at said heel part to form a heel cushion and comprises layers of Film welded to one another.
Claim 7
Dependent Claim
28 words
A sports shoe as claimed in claim 1, wherein the sheath and enclosed foam material are formed as a welded and punched article subsequently added to the shoe.
Claim 8
Dependent Claim
32 words
A sports shoe according to claim 1 wherein the sheath is comprised of portions of the shoe upper and wherein said portions of the shoe upper are comprised of a weldable material.
Claim 9
Dependent Claim
36 words
A sports shoe according to claim 1 wherein said shoe upper further comprises a lining, portions of said lining being weldable, and wherein the sheath is formed conjointly with said weldable portions of said shoe lining.
Claim 10
Dependent Claim
26 words
A sports shoe according to claim 8, wherein the sheath is formed by welding a portion of said lining to a portion of said shoe upper.
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) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |