Patent US3649977A successfully refreshed from Google Patents.
US3649977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-bailing formed skin/scuba diver{40 s float
Assignee: KELZER PAULINE J DR A/K/A PAULINE KELZER GRABENAUER
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Filing: 1970-01-27
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Granted: 1972-03-21
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Expires: 1990-01-27
Abstract
Abstract A diver''s float for moving over the surface of the water to the point at which skin or scuba diving is to take place. The float is propelled by hand or a double ended paddle and has floatation consisting of a water tight compartment and foam to maintain its buoyancy. Compartments are provided both wet and dry for containing the diver''s equipment while in transit. The seat for the diver is molded to fit the buttocks and legs and is provided with a hinged backrest for supporting the diver''s back.
Inventors
- 👤 Roy E Grabenauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:16
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/46
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
95 words
A skin/scuba diver''s float comprising a hollow semicircular elongate hull, a hollow semicircular elongate upper enclosure, said hull and said upper enclosure being secured together along the peripheral meeting edges thereof, a cockpit formed in said float and having a buttocks receiving seat forming a part thereof, form fitting leg rests for supporting the full length of the diver''s leg extending forwardly of said seat within said cockpit, an adjustable foot rest at the forward end of each of said leg rests, and a plurality of compartments opening through said upper enclosure within said float.
Claim 2
Dependent Claim
95 words
A skin/scuba diver''s float comprising a hollow semicircular elongate hull, a hollow semicircular elongate upper enclosure, said hull and said upper enclosure being secured together along the peripheral meeting edges thereof, a cockpit formed in said float and having a buttocks receiving seat forming a part thereof, form fitting leg rests for supporting the full length of the diver''s leg extending forwardly of said seat within said cockpit, an adjustable foot rest at the forward end of each of said leg rests, and a plurality of compartments opening through said upper enclosure within said float.
Claim 3
Dependent Claim
17 words
A device as claimed in claim 1 wherein hinged doors on said upper enclosure close said compartments.
Claim 4
Dependent Claim
24 words
A device as claimed in claim 1 wherein drain bores extend from said cockpit and said compartments for self-bailing said cockpit and said compartments.
Claim 5
Dependent Claim
22 words
A device as claimed in claim 1 wherein sealed flotation areas are formed within said float surrounding said cockpit and said compartments.
Claim 6
Dependent Claim
25 words
A device as claimed in claim 1 wherein a diver''s weight compartment is formed in said cockpit forwardly of said seat between said leg rests.
Claim 7
Dependent Claim
29 words
A device as claimed in claim 1 wherein said hull slopes upwardly and rearwardly at the stern thereof to assist in propelling said float under action of the waves.
Claim 8
Dependent Claim
21 words
A device as claimed in claim 1 wherein an adjustable backrest is secured to seat at the upper rear portion thereof.
Claim 9
Dependent Claim
29 words
A device as claimed in claim 1 wherein at last one of said storage compartments is centrally positioned rearwardly of said cockpit below the water line of said float.
Claim 10
Dependent Claim
25 words
A device as claimed in claim 1 wherein at least one of said storage compartments is centrally positioned forwardly of said cockpit and is watertight.
Claim 11
Dependent Claim
38 words
A device as claimed in claim 1 wherein a central elongate abrasion skid is secured to forward portion of said hull and provided with a transverse bore in its forward end for securing tow lines and anchor lines.
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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) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |