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D27,348 · Winslow · "Design for a Prism-Plate" · Page 1
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D27,348: 1 of 2

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Patents: 335 of 511
UNITED STATES PATENT OFFICE.
WILLIAM H. WINSLOW, OF CHICAGO, ILLINOIS, ASSIGNOR TO
THE LUXFER PRISM PATENTS COMPANY, OF SAME PLACE.

DESIGN FOR A PRISM-PLATE.
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William H. Winslow
6 of 12

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Luxfer: 28 of 88

SPECIFICATION forming part of Design No. 27,348, dated July 13, 1897.
Application filed June 15, 1897. Serial No. 640,926. Term of patent 14 years.
To all whom it may concern:
    Be it known that I, WILLIAM H. WINSLOW, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented and produced a certain new and useful Design for Prism-Plates, of which the following is a description.
    My invention relates to a design for prism-plates, and is illustrated in the accompanying drawing, wherein is shown an elevation of a prism-plate containing my invention.
    A A are hexagon-shaped prism-lights; B B, surrounding frame or border pieces; C C, opaque strips between the prism-lights; D D, prisms on the prism-lights; E, enlarged opaque corner-pieces between the prism-lights at their corners, said corners being cut away, as indicated.
    The essential features of my design are found in a prism-plate composed of a series of hexagon prism-lights, each having its corners cut off, and opaque framing-strips between the lights and opaque enlargements between the corners of the lights.
    I claim--
    The design for a prism-light substantially as shown and described.
WILLIAM H. WINSLOW.
Witnesses:
    DONALD M. CARTER,
    BERTHA C. SIMS.