Patent US3685940A successfully refreshed from Google Patents.
Patent US3089155A successfully refreshed from Google Patents.
US3089155A
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Diving and swimming aid
Assignee: Individual
•
Filing: 1961-03-31
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Granted: 1963-05-14
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
- 👤 Bengtson Lissa Maria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:27
CPC Classifications
A; A63; A63B; A63B67/00; A63B67/007; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A DIVING AND SWIMMING AID COMPRISED OF THREE MEMBERS, ONE OF SAID MEMBERS BEING A ONE-PIECE DISC, PERFORATIONS THROUGH THE DISC SUBSTANTIALLY PARALLEL TO THE DIRECTION OF THICKNESS OF THE DISC, SAID DISC BEING MADE OF BUOYANT RELATIVELY RIGID MATERIAL, A SECOND OF SAID MEMBERS COMPRISING A BALLAST OF MATERIAL WHICH IS DENSER THAN THE DISC, AND CONNECTING MEANS ENGAGED WITH THE CENTRAL PORTION OF THE DISC AND FASTENED IN THE BALLAST TO COUPLE THE BALLAST AND DISC TOGETHER, SAID FLEXIBLE MEANS IN USE BEING OF A LENGTH TO MAINTAIN THE DISC BELOW THE SURFACE OF THE LIQUID IN WHICH THE SWIMMING AID IS SUBMERGED, THE BOUYANCIES OF THE CONNECTING MORE THAN THE COMBINED BUOYANCIES OF THE CONNECTING MEMBER AND THE BALLAST, SAID BALLAST BEING READILY MOVABLE BY A PERSON, ALONG WITH THE DISC AND CONNECTING MEANS, THROUGH THE BODY OF LIQUID IN WHICH THE SWIMMING AID MAY BE IMMERSED.
Claim 2
Dependent Claim
150 words
A DIVING AND SWIMMING AID COMPRISED OF THREE MEMBERS, ONE OF SAID MEMBERS BEING A ONE-PIECE DISC, PERFORATIONS THROUGH THE DISC SUBSTANTIALLY PARALLEL TO THE DIRECTION OF THICKNESS OF THE DISC, SAID DISC BEING MADE OF BUOYANT RELATIVELY RIGID MATERIAL, A SECOND OF SAID MEMBERS COMPRISING A BALLAST OF MATERIAL WHICH IS DENSER THAN THE DISC, AND CONNECTING MEANS ENGAGED WITH THE CENTRAL PORTION OF THE DISC AND FASTENED IN THE BALLAST TO COUPLE THE BALLAST AND DISC TOGETHER, SAID FLEXIBLE MEANS IN USE BEING OF A LENGTH TO MAINTAIN THE DISC BELOW THE SURFACE OF THE LIQUID IN WHICH THE SWIMMING AID IS SUBMERGED, THE BOUYANCIES OF THE CONNECTING MORE THAN THE COMBINED BUOYANCIES OF THE CONNECTING MEMBER AND THE BALLAST, SAID BALLAST BEING READILY MOVABLE BY A PERSON, ALONG WITH THE DISC AND CONNECTING MEANS, THROUGH THE BODY OF LIQUID IN WHICH THE SWIMMING AID MAY BE IMMERSED.
References Cited (Backward Citations)
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Cited
US2695587A
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US2706630A
Cited
US3005286A
Cited
US2818042A
Cited
US3048859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |