Water window

Details Water window Water window

1977-08-18

1979-03-27

Blix, Trygve M.

Ships

Building

Canal and ferry boats

114 66, A63C 500, A63C 900, A63C 1100, A63C 1500

Patent

active

041457838

ABSTRACT:
An underwater viewing device for use by a person standing in relatively shallow water and comprising a central transparent viewing window peripherally surrounded by a support structure which maintains the window parallel with and slightly beneath the surface of the water. A light affecting element is disposed within the structure adjacent the window. The support structure houses one or more storage compartments and a flotation ring which buoys and trims the viewing device while floating in the water. Fishnet covers enclose the compartments to prevent spillage of their contents. A light within the support structure permits night use.

REFERENCES:
patent: 3081726 (1963-03-01), Betts
patent: 3147498 (1964-09-01), Convis
patent: 3182340 (1965-05-01), Gentile
patent: 3340845 (1967-09-01), Tyrack
patent: 3423777 (1969-01-01), Feyling
patent: 3596082 (1971-07-01), Doret
patent: 3628853 (1971-12-01), Stoscup
patent: 3808621 (1974-05-01), French

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