Signals and indicators – Indicators – Operator movable
Patent
1991-05-06
1992-07-14
Cuchlinski, Jr., William A.
Signals and indicators
Indicators
Operator movable
116 26, 405186, B63C 1102, B63C 1126, B63C 1152, B63C 920
Patent
active
051293510
ABSTRACT:
A signalling device for scuba divers is disclosed. A substantially cylindrical rod has an opening formed therein along its longitudinal axis. A closed loop of resilient latex tubing extends through the opening. The loop of tubing is slipped over the scuba tank. The rod may be banged against the scuba tank for the purpose of signalling by pulling the rod away from the tank and then releasing it.
REFERENCES:
patent: 1109811 (1914-09-01), Wood
patent: 4127053 (1978-11-01), Cohen
patent: 4455718 (1984-06-01), Finnern
patent: 4858204 (1989-08-01), Holston et al.
patent: 4861300 (1989-08-01), Casagrande et al.
patent: 4976642 (1990-12-01), Wilkie
Beres John L.
Cuchlinski Jr. William A.
Greenberg Laurence A.
Lerner Herbert L.
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