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US 6,546,638 B2Granted
Self-illuminated attitude indicator and method for self-rescue from avalanche
OwnerJoan M. Beyerinventor
Life of this patent
Estimating the term…
Abstract
A self-illuminating attitude indicator for use by persons who have been buried in snow or the earth. The attitude indicator has a container partially filled with liquid and a manually operated light to illuminate the container. The liquid may be removed from the container and distributed on the snow to make the location more visible to rescuers.
Claims1
A method of assisting in the rescue of oneself from having been completely buried in snow or earth, the method comprising:
- illuminating and viewing the liquid and bubble in a translucent, partially full container of liquid;
- orienting the container so that the bubble indicates the up direction;
- digging in the up direction so indicated until reaching the surface;
- and
- distributing the liquid onto the surrounding snow or earth upon reaching the surface.
2 more elements
Dependencies are inferred from the claim text.