Ships – Displacement-type hull – Multiple hulls
Patent
1999-02-17
1999-12-21
Swinehart, Ed
Ships
Displacement-type hull
Multiple hulls
114 6115, B63B 100
Patent
active
060034580
ABSTRACT:
An expandable pontoon boat that is retractable into a retracted configuration for trailering and expandable to provide additional passenger room. The expandable pontoon boat includes an interlock switch to prevent the expandable pontoon boat from being expanded when out of the water and includes center, left and right passenger hull shells supported on an expandable pontoon assembly.
REFERENCES:
patent: 1710625 (1929-04-01), Kapigian
patent: 3045263 (1962-07-01), Blachly
patent: 3114157 (1963-12-01), Stockman
patent: 3925837 (1975-12-01), Miller
patent: 3981259 (1976-09-01), Harper, Jr.
patent: 5474009 (1995-12-01), Ritchie et al.
patent: 5517940 (1996-05-01), Beyer
Breaux Joseph N.
Swinehart Ed
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