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Up: Patent Index |
D27,989 · Wright · "Design for a Prism-Light" · Page 1 Home > Prism Glass > Patent Index > Page 1 |
D27,989: 1 of 2 |
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Patents: 423 of 530 |
UNITED STATES PATENT OFFICE
FRANK L. WRIGHT, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE LUXFER PRISM PATENTS COMPANY, OF SAME PLACE. DESIGN FOR A PRISM-LIGHT. |
Frank L. Wright 13 of 41 Luxfer: 56 of 88 |
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SPECIFICATION forming part of Design No. 27,989, dated December 7, 1897. Application filed October 23, 1897. Serial No. 656,232. Term of patent 14 years. | ||
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To all whom it may concern: Be it known that I, FRANK L. WRIGHT, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a certain new and original Design for Prism-Lights, of which the following is a description. My invention relates to designs for prism-lights. Figure 1 is a plan view of a prism-light embodying my design. Fig. 2 is a section. A is the body of the prism-light; B B, a series of prisms on one side thereof; C C, surface areas; D D, areas raised above and overlapping such surface areas; E and F, other areas rising above and successively overlapping, |
as it were, the lower surfaces; G, still higher surfaces. The essential features of my design are found in a prism-light comprising a substantially flat body with a series of prisms on one side and on the other a series of surfaces of various elevations and bounded by lines which form an overlapping pattern or figure. I claim-- A design for a prism-light, substantially as shown and described.
Witnesses: |