Flotation device and method of manufacturing the same

Details Flotation device and method of manufacturing the same Flotation device and method of manufacturing the same

2005-12-13

2005-12-13

Olson, Lars A. (Department: 3617)

Buoys, rafts, and aquatic devices

Water rescue or life protecting apparatus

Personal flotation device

C441S031000

Reexamination Certificate

active

06974357

ABSTRACT:
The invention relates to a device for use in retrieving an object, e.g. a pair of spectacles, a key ring or a GPS device, that falls in water. According to the invention the device is provided with a holder that is resistant in regard of spray water and atmospheric humidity in which an inflatable body is enclosed. In the event of activation of the device, the formation of gas required for the exertion of a flotation or driving force occurs within the inflatable body itself. The reagents required for the gas formation are preferably provided in mutual separation within the inflatable body.

REFERENCES:
patent: 650976 (1900-06-01), Lavery
patent: 3004269 (1961-10-01), Dillier
patent: 3084357 (1963-04-01), Gaumer
patent: 3786590 (1974-01-01), Weeks
patent: 3902425 (1975-09-01), Kutzemann
patent: 4929214 (1990-05-01), Liebermann
patent: 5030152 (1991-07-01), Carr et al.
patent: 5941752 (1999-08-01), Liebermann
patent: 2551420 (1985-03-01), None
patent: 2733482 (1996-10-01), None

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