US3112503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming device
Assignee: Individual
•
Filing: 1962-08-01
•
Granted: 1963-12-03
•
Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Barney B Girden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:55
CPC Classifications
A; A63; A63B; A63B31/00; A63B31/08; A63B31/10; A63B31/11; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A FIN ADAPTED TO BE MOUNTED ON A SWIMMER''S FOOT COMPRISING (A) A SHOE-LIKE MEMBER HAVING A SOLE, HEEL AND FOOT RECEIVING POCKET; (B) A WEB-LIKE EXTENSION PROJECTING FORWARDLY FROM SAID SOLE OF THE SHOE-LIKE MEMBER AND BEING INTEGRAL WITH THE LATTER TO PERMIT THE TRANSMISSION THERETHROUGH OF SUBSTANTIAL PROPULSIVE FORCES; AND (C) A CELLULAR BUOYANT MEMBER PERMANENTLY SECURED TO SAID SHOE-LIKE MEMBER SO AS TO AVOID INTERFERENCE WITH THE TRANSMISSION OF SAID PROPULSIVE FORCES THROUGH SAID WEB-LIKE EXTENSION TO THE WATER, SAID BUOYANT MEMBER CONTRIBUTING SUFFICIENT BUOYANCY TO SAID FIN TO OVERCOME THE NEGATIVE BUOYANCY OF THE LEG OF A SWIMMER HAVING ITS FOOT RECEIVED IN SAID POCKET.
Claim 2
Dependent Claim
109 words
A FIN ADAPTED TO BE MOUNTED ON A SWIMMER''S FOOT COMPRISING (A) A SHOE-LIKE MEMBER HAVING A SOLE, HEEL AND FOOT RECEIVING POCKET; (B) A WEB-LIKE EXTENSION PROJECTING FORWARDLY FROM SAID SOLE OF THE SHOE-LIKE MEMBER AND BEING INTEGRAL WITH THE LATTER TO PERMIT THE TRANSMISSION THERETHROUGH OF SUBSTANTIAL PROPULSIVE FORCES; AND (C) A CELLULAR BUOYANT MEMBER PERMANENTLY SECURED TO SAID SHOE-LIKE MEMBER SO AS TO AVOID INTERFERENCE WITH THE TRANSMISSION OF SAID PROPULSIVE FORCES THROUGH SAID WEB-LIKE EXTENSION TO THE WATER, SAID BUOYANT MEMBER CONTRIBUTING SUFFICIENT BUOYANCY TO SAID FIN TO OVERCOME THE NEGATIVE BUOYANCY OF THE LEG OF A SWIMMER HAVING ITS FOOT RECEIVED IN SAID POCKET.
References Cited (Backward Citations)
US1627521A
Cited
US2343468A
Cited
US2737668A
Cited
US2715231A
Cited
GB759521A
Cited
US2745119A
Cited
US3037220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |