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D28,019 · Ewen · "Design for a Prism Pavement-Panel" · Page 1
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D28,019: 1 of 2

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Patents: 453 of 511
UNITED STATES PATENT OFFICE
JOHN MEIGGS EWEN, OF CHICAGO, ILLINOIS, ASSIGNOR TO
THE LUXFER PRISM PATENTS COMPANY, OF SAME PLACE.

DESIGN FOR A PRISM PAVEMENT-PANEL.
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John M. Ewen
21 of 21

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Luxfer: 86 of 88

Specification forming part of Design No. 28,019, dated December 7, 1897.
Application filed October 2, 1897. Serial No. 653,861. Term of patent 14 years.
To all whom it may concern:
    Be it known that I, JOHN MEIGGS EWEN, 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 Pavement-Panels, of which the following is a specification.
    My invention relates to a new and original design for prism pavement-panels and is illustrated in the accompanying drawings, wherein--
    Figure 1 shows a plan view of a prism pavement-panel embodying my design. Fig. 2 is a section therethrough on line 2 2.
    A A are surface areas with rounded corners; B B, intermediate surfaces between
such surface areas; C C, prisms on the opposite side of the panel.
    The essential features of my design are found in a prism pavement-panel having on one side a series of prisms and on the other side a series of oblong surfaces with rounded corners arranged in regular rows, with intermediate surfaces between their several edges.
    I claim--
    A design for a prism pavement-panel, substantially as shown and described.
JOHN MEIGGS EWEN.
Witnesses:
    DONALD M. CARTER,
    HOMER L. KRAFT.