Seasonal, multi-use, multi-level structure transportable...

Ships – Boats – boat component – or attachment – With wheeled buoyant landing or launching aid

Reexamination Certificate

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Details

C280S414100

Reexamination Certificate

active

11150048

ABSTRACT:
A multi-use, multi-level structure can be installed in and removed from a body of water in a seasonal fashion. The structure has a lower level that includes a boat lift and an upper level that provides an entertainment area. The structure carries a ballast system for selectively floating the structure on the body of water or sinking the structure in the water. The ballast system includes an array of hydraulically interconnected ballast tanks that are vented to the atmosphere. A valve may be opened to admit water to the ballast tanks to flood the tanks. A pump is used to pump water out of the ballast tanks when desired.

REFERENCES:
patent: 3126855 (1964-03-01), Freeburg
patent: 3626447 (1971-12-01), Hindlin
patent: 3857352 (1974-12-01), Schott
patent: 3895592 (1975-07-01), King
patent: 4084529 (1978-04-01), Katernberg
patent: 4092755 (1978-06-01), Hughes
patent: 4188056 (1980-02-01), Watson
patent: 5131342 (1992-07-01), Sackett
patent: 5478166 (1995-12-01), Starr
patent: 6058869 (2000-05-01), Thon
patent: 6131528 (2000-10-01), Meek et al.
patent: 6520102 (2003-02-01), Johnson
patent: 6752096 (2004-06-01), Elson et al.
Float-N-Go Brochure (undated but admitted prior art).
Floatation Systems Brochure (undated but admitted prior art).

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