USD28002S - Design for a pris m -plate - Google Patents

Description

D ZBVUUZ DESIGN.

P. L. -VGHT PRISM PLATE.

No. 28,002. Patented Deo. 7, 1897.

Win c3366:

Maf/7M UNITED STATES PATENT OFFICE.

FRANK L. WRIGHT, OF CHICAGO, ILLINOIS, ASSIGNOR TO rIIIE LUXFER PRISM PATENTS COMPANY, OF SAME PLACE.

DESIGN FOR A PRISM-PLATE.

SPECIFICATION forming part of Design No. 28,002, dated December 7, 1897.

Application filed October 22, 1897. Serial No. 656,099. Term of patent 14 years.

To all whom, it muy concern,.-

Be it known than I, FRANK L. WRIGHT, e citizen of the United States, residing et Chicago, in the county of Cook and Strate of Illinois,heve invented e cert-:Lin new and original Design for Prism-Plates, of which the followingr is n description.

My design relates to prism-plates.

Figure I is a plan view of a prism-plate embodying my design. Fig. 2 is a cross-section therethrough.

A is the body of the prism-plate; B B, a series of surface areas formed on one side of the plete by means of the lines of sepa-ration C C. D D are prisms on the opposite side. E E are lines produced on the surface of n number of these surface areas, so as to form en ornamental border about or near t-he edge of the prism-plete.

The essential features of my design are 2o found in a, prism-plate eomprising a substantinlly flat and extended body with a series of prisms on one side and on the other n series of lines of separation forming a series of substantially uniform surface areas and lines of z 5 ornamentation produced on a. number of such surface areas about the edge, so as to form an ornamental border for the plate.

I Claim- A design for :i prism-plete, substantially as 3o OLIN II. HASQUIN, FRANCIS NV. PARKER.

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