Prism lantern
OwnerJames F. Foleyinventor
Life of this patent
Estimating the term…
Abstract
Prism Lantern with a pair of concentric glass cylinders, the first the cylinder being approximately three and one half inches in diameter and eight and one half inches tall, the second the cylinder being approximately three and three eighths inches in diameter and eight and one half inches tall, the cylinders fastened at their bottom surfaces to a base plate so that there is a concentric air space between the first cylinder and the second cylinder, a sheet of plastic material having a plurality of molded in prisms is placed in between the outer wall of said first cylinder and the inner wall of said second cylinder, and a closure ring enclosing the top of said concentric cylinders. Said plastic prism material creates a unique multi colored star burst pattern when viewed by an onlooker.
Claims6
A prism lantern comprising:
- a pair of concentric glass cylinders;
- the first cylinder being slightly larger in diameter than the second cylinder, creating a small space between the first cylinder and the second cylinder;
- said cylinders sitting in two concentric depressions in a base plate;
- a sheet of prismatic material in the small space between said first cylinder and said second cylinder;
- and
- a closure ring enclosing the top of said concentric cylinders.
A prism lantern comprising:
- a pair of concentric glass cylinders;
- the first cylinder being slightly larger in diameter than the second cylinder, creating a small concentric space between the first cylinder and the second cylinder;
- both of said cylinders sitting in two concentric depressions in a base plate;
- a plastic sheet of prismatic material, having a plurality of prism lenses molded in said plastic sheet, in the small concentric space between the outer wall of said first cylinder and the inner wall of said second cylinder;
- a closure ring having two grooves fixedly enclosing the top of said concentric cylinders.
Dependencies are inferred from the claim text.