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D25,331 · Mark · "Design for a Skylight-Tile" · Page 1
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D25,331: 1 of 2

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Patents: 287 of 511
UNITED STATES PATENT OFFICE.
JACOB MARK, OF NEW YORK, N.Y.

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Jacob Mark: 3 of 7
DESIGN FOR A SKYLIGHT-TILE.
SPECIFICATION forming part of Design No. 25,331, dated March 31, 1896.
Application filed February 8, 1896. Serial No. 578,614. Term of patent 14 years.
To all whom it may concern:
    Be it known that I, JACOB MARK, a citizen of the United States, residing at the city of New York, in the county and State of New York, have invented and produced a new and original Design for Bull's-Eyes or Lights for Skylights, of which the following is a specification, reference being had to the accompanying drawings, showing the parts thereof.
    Figure 1 is a plan view illustrating my new design. Fig. 2 is a sectional view showing the hemispherical portions.
    The leading feature of my design consists in a surface having raised hemispherical portions arranged in the form of a star, and a raised central hemispherical portion.
    A second leading feature of my design consists in a surface having raised hemispherical portions arranged in the form of a star, each point of which is formed of a series of raised hemispherical portions in two rows, each row being at an angle to the other, and a raised central hemispherical portion.
    A third leading feature consists in a surface having raised hemispherical portions arranged in the form of a star, a raised hemispherical portion in the center of said star formation and rows of beads outside of said star formation, each row being at an angle to the rows adjoining it.
    A designates a glass tile having the raised nipples or hemispherical portions b b arranged in the form of a star.
    B designates the frame, and C the design, including the star formation, the central nipple or hemispherical portion, and the outer beads c c.
    What I claim is--
    The design for a skylight-tile, substantially as shown and described.
JACOB MARK.
Witnesses:
    ADAM E. SCHATZ,
    HORACE G. SEITZ.