US2757461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floatable slip-resistant shoe
Assignee: Uniroyal Inc
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Filing: 1954-07-30
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Granted: 1956-08-07
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Expires: 1974-07-30
Abstract
No abstract record available.
Inventors
- 👤 Edgar B Cartmell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:08
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/22; A43B13/223; A43B13/02; A43B13/04; A43B3/00; A43B5/00; A43B5/08; B; B29; B29D; B29D35/00; B29D35/12; B29D35/122; B29K; B29K2021/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A SHOE COMPRISING A WOVEN TEXTILE FABRIC UPPER AND A SOLE HAVING AS A WHOLE A SPECIFIC GRAVITY LESS THAN WATER, SAID SOLE BEING COMPOSED OF FLEXIBLE, CELLULAR, NONWATER ABSORBENT PLASTIC MATERIAL HAVING A CLOSED GAS FILLED CELL STRUCTURE AND A SPECIFIC GRAVITY OF FROM 30 TO .90. AND SAID SOLE HAVING A THICKNESS OF AT LEAST ONE-HALF INCH AND A THREAD SURFACE PROVIDED WITH CLOSELY TRANSVERSELY EXTENDING SLITS.
Claim 2
Dependent Claim
69 words
A SHOE COMPRISING A WOVEN TEXTILE FABRIC UPPER AND A SOLE HAVING AS A WHOLE A SPECIFIC GRAVITY LESS THAN WATER, SAID SOLE BEING COMPOSED OF FLEXIBLE, CELLULAR, NONWATER ABSORBENT PLASTIC MATERIAL HAVING A CLOSED GAS FILLED CELL STRUCTURE AND A SPECIFIC GRAVITY OF FROM 30 TO .90. AND SAID SOLE HAVING A THICKNESS OF AT LEAST ONE-HALF INCH AND A THREAD SURFACE PROVIDED WITH CLOSELY TRANSVERSELY EXTENDING SLITS.
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) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |