USD27973S - Design for a prism-light - Google Patents
Design for a prism-light Download PDFInfo
- Publication number
- USD27973S USD27973S US D27973 S USD27973 S US D27973S
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- US
- United States
- Prior art keywords
- design
- prism
- light
- prisms
- henry
- Prior art date
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Description
Ex 09075 OR D 27,973
026*122 AU 291 EX xn 0 21,913 E 'E H. P. BELCHER. PRISM LIGHT. No. 27,973. Patented Dec. '7, 1897.
UNITED STATES PATENT OFFICE.
HENRY I BELCIIER, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE LUXFER PRISM PATENTS COMPANY, OF SAME PLACE.
DESIGN FOR A PRISM-LIGHT.
SPECIFICATION forming part of Design No. 27,973, dated December 7, 1897. Application filed November 1, 1897. Serial No. 657,107. Term of patent 14 years.
To all whom it may concern:
Be it known that I, HENRY F. BELCHER, a citizen of the United States, residing at Chicago, in the county of Cool; and State of Illinois, have invented a certain new and original Design for Prisnrl'iights, of which the following is a specification.
My invention relates to designs for pris1nlights.
Figure 1 is aplan View of a prism-light embodying my design. Fig. 2 is a cross-section therethrough.
A is the body of the prism-light; B, a design thereon placed upon the inclined surfaces 0 C of the prisms I) D and arranged so as to give the appearance of a complete design.
\Vhen a prism-light of my design is examined, there is a eontinually-ehanging effect of the design due to the presence of the prisms as a field and due to the changing in position of the person who is observing the light. There is a great variation, particularly with reference to such lines in the design as lie diagonally across the prisms.
The essential features of my design are found in a prism-light comprising a substantially flat relatively thin body having a series of prisms 011 one side and a design produced upon the inclined surfaces of such prism and forming lines which appear to lie across the prisms.
I claim A design for a prisnrlight, substantially as shown and described.
HENRY 1 BELUHEH.
Witnesses IIoMnn L. KRAFT, Bnn'rnA 0. Sins.
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