Patent US5195254A successfully refreshed from Google Patents.
US5195254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sole
Assignee: Individual
•
Filing: 1991-06-24
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Granted: 1993-03-23
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Expires: 2011-06-24
Abstract
Abstract This invention relates to a sole for a shoe and in particular to one including a resilient pad provided with a plurality of arrow-shaped recesses and diamond-shaped recesses on the bottom and an elongated slot on the top, a blast device adapted to be received in the elongated slot of the resilient pad and having a first air bag at one end, a second air bag at the other, and an air pipe connecting the first air bag and the second air bag, and a piece of cloth covering the top of the resilient pad, whereby air convection may take place in the shoe thus providing fresh air to the foot wearing the shoe.
Inventors
- 👤 Liou Y. Tyng
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:23
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/06; A43B13/00; A43B13/14; A43B13/18; A43B13/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A sole comprising: a resilient pad provided with a plurality of arrow-shaped recesses and diamond-shaped recesses on a bottom and an elongated slot on a top, said arrow-shaped recesses and said diamond-shaped recesses being arranged alternately and extending obliquely and upwardly through said resilient pad to form a smaller open top thereby providing a chamber; a blast device adapted to be received in the elongated slot of said resilient pad and having a first air bag at one end, a second air bag at the other, and an air pipe connecting said first air bag and said second air bag; and a piece of cloth covering top of said resilient pad.
Claim 2
Dependent Claim
111 words
A sole comprising: a resilient pad provided with a plurality of arrow-shaped recesses and diamond-shaped recesses on a bottom and an elongated slot on a top, said arrow-shaped recesses and said diamond-shaped recesses being arranged alternately and extending obliquely and upwardly through said resilient pad to form a smaller open top thereby providing a chamber; a blast device adapted to be received in the elongated slot of said resilient pad and having a first air bag at one end, a second air bag at the other, and an air pipe connecting said first air bag and said second air bag; and a piece of cloth covering top of said resilient pad.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-03-22 | 1996-09-21 | 1997-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-03-22 | 2000-09-21 | 2001-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-03-22 | 2004-09-21 | 2005-03-23 | $7700.00 | Window Closed / Lapsed |