US3134114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buoyant shoes
Assignee: Individual
•
Filing: 1962-08-29
•
Granted: 1964-05-26
•
Expires: 1982-08-29
Abstract
No abstract record available.
Inventors
- 👤 Kean W Stimm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:16
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/50; B63B34/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A BOUYANT SHOE FORMED OF A CLOSED CELL FOAM MATERIAL AND HAVING A FOOT WELL RECESSED IN THE UPPER PORTION THEREOF, AND SURROUNDED ON ALL SIDES BY SAID MATERIAL, A FOOT HARNESS IN SAID WELL FOR RELEASABLE SECURING A FOOT OF THE USER, SAID FOOT WELL HAVING A REAR WALL SLOPING GRADUALLY AT AN ANGLE OF APPROXIMATELY 25* FROM THE BOTTOM OF SAID FOOT WELL TO THE UPPER SURFACE OF SAID BOUYANT SHOE TO ENABLE WATER TO FLOW UPWARDLY ALONG SAID REAR WALL OUT OF SAID FOOT WELL AND OFF SAID UPPER SURFACE OF THE SHOE WHEN THE SHOE IS MOVED FORWARDLY.
Claim 2
Dependent Claim
102 words
A BOUYANT SHOE FORMED OF A CLOSED CELL FOAM MATERIAL AND HAVING A FOOT WELL RECESSED IN THE UPPER PORTION THEREOF, AND SURROUNDED ON ALL SIDES BY SAID MATERIAL, A FOOT HARNESS IN SAID WELL FOR RELEASABLE SECURING A FOOT OF THE USER, SAID FOOT WELL HAVING A REAR WALL SLOPING GRADUALLY AT AN ANGLE OF APPROXIMATELY 25* FROM THE BOTTOM OF SAID FOOT WELL TO THE UPPER SURFACE OF SAID BOUYANT SHOE TO ENABLE WATER TO FLOW UPWARDLY ALONG SAID REAR WALL OUT OF SAID FOOT WELL AND OFF SAID UPPER SURFACE OF THE SHOE WHEN THE SHOE IS MOVED FORWARDLY.
References Cited (Backward Citations)
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Cited
US1545807A
Cited
US2153939A
Cited
US2664578A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |