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US 2006/0037204 A1Published application
Indicator vial
OwnerRichard Gruetzmacherinventor
Life of this patent
Estimating the term…
Abstract
An indicator vial including a liquid and a colored gas that contrasts with the liquid to provide a highly visible drop or bubble within the vial. The color of the gas is selected to contrast significantly with the liquid. The color of the liquid and of indicia disposed on the exterior of the vial can be selected to further enhance the contrast between the gas and the liquid and/or the indicia, to enhance visibility of the indicator within the vial.
Claims17
An indicator vial comprising:
- a) an enclosure;
- b) a liquid positioned within the enclosure;
- and
- c) a gas positioned within the enclosure and immiscible with the liquid, wherein the gas has a color that contrasts with the liquid.
1 more element
A tool comprising:
- a) a body;
- and
- b) at least one vial in a predetermined orientation relative to the body, the at least one vial including an enclosure, a liquid positioned within the enclosure, and a gas positioned within the enclosure, wherein the gas has a color that contrasts with the liquid.
A method of making a bubble vial, comprising the acts of:
- a) providing an enclosure having a transparent wall and an internal cavity;
- b) partially filling the internal cavity with a liquid;
- c) placing a gas within the enclosure over the liquid, wherein the gas has a color that contrasts with the liquid;
- and
- d) sealing the enclosure to maintain the liquid and the gas within the enclosure, wherein the gas forms a bubble that floats in the liquid and wherein the contrasting color of the liquid relative to the gas enables the bubble to be viewed through the transparent wall of the enclosure.
2 more elements
Dependencies are inferred from the claim text.