Underwater viewing device

Details Underwater viewing device Underwater viewing device

1982-10-15

1984-08-14

Blix, Trygve M.

Buoys, rafts, and aquatic devices

Buoyancy underwater viewing device

114 66, 272 1B, 21713, B63C 1148

Patent

active

044654685

ABSTRACT:
An underwater viewing device in the form of a generally rectangular, open topped, one-piece, transparent container having a flexible pad at the open top for the face of the user, ventilation openings formed through the upper front and rear walls of the device, and a pair of handles in the form of squeezable bulbs attached to tubing lengths extended into the forward, bottom area of the container. Periodic squeezing of the handles causes air to be drawn through the front vent, circulated to the rear of the container, and exhausted through the rear vent.

REFERENCES:
patent: 735790 (1903-08-01), Meerza
patent: 3081726 (1963-03-01), Betts et al.
patent: 3825953 (1974-07-01), Hunter
patent: 4145783 (1979-03-01), Rhodes

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