Hydraulic and earth engineering – Marine vessel portage – launching – or removing – Lifting
Reexamination Certificate
2008-05-27
2008-05-27
Mayo, Tara L. (Department: 3671)
Hydraulic and earth engineering
Marine vessel portage, launching, or removing
Lifting
C114S044000, C114S048000
Reexamination Certificate
active
07377720
ABSTRACT:
A boat lift supported completely from land adjacent to water in which a boat is to be operated for movement between storage and launching positions by the use of parallelogram linkage powered by pairs of hydraulic actuators arranged at opposite sides of the boat lift. A walk and handrails are formed between the hydraulic actuators for use by passengers boarding the boat in the boat launch position.
REFERENCES:
patent: 3675258 (1972-07-01), Osmundson
patent: 4641996 (1987-02-01), Seal
patent: 6598549 (2003-07-01), Voegeli
Gifford Krass Sprinkle Anderson & Citkowski P.C.
Mayo Tara L.
Romansi Martin E.
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