Patent ID: 9022825
Filing Date: 2015-05-05
Classification: B63B,B63C

Abstract:
1. A pressure-activated flotation device for use with an electronic device, the pressure-activated flotation device comprising: an attachment feature for attaching the pressure-activated flotation device to the electronic device; one or more chemicals that produce an expanding gas when exposed to a liquid; a container having an outer surface and an inner volume for storing the one or more chemicals; a removable cap for accessing the inner volume of the container; an inflatable tube fluidly connected to the container and attached to the attachment feature, the inflatable tube having a first end, a second end, and an inner volume, the inflatable tube configured to inflate with the expanding gas when the one or more chemicals are exposed to the liquid in the container; and a pressure-activated valve leading from the outer surface of the container to the inner volume of the container, wherein the pressure-activated valve includes a one-way valve configured to: