Design for a diffusion disk for lamps
US D147567 S
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P 1947' F. SCHWARTZ Des. 147,567
DIFFUSION DISK FOR LAMPS Filed Feb. 15, 1946 IN V EN TOR.
15: i fzmzzmmx imam/W2 BY Armmlz Patented Sept. 23, 1947 UNITED STATES Des. 147,567
PATENT OFFICE DESIGN FOR A DIFFUSION DISK FOR LAIVHS Frederick Schwartz, Chicago, 111., assignor to Foster & Davies, Inc., Cleveland, Ohio, a corporation of Ohio To all whom it may concern:
Be it known that 1, Frederick Schwartz, 1a citizen of the United States and resident of Chicago, in the county of Cook and State of Illinois, have invented a new, original, and ornamental Design for a Diffusion Disk for Lamps, of which the following is a specification, reference being had to the accompanying drawing, forming a part thereof.
Fig. 1 is a top plan View of a diffusion disk for lamps, embodying the new design.
Fig. 2 is a side elevational view thereof.
Fig. 3 is a bottom plan view thereof.
Fig. 4 is a sectional detail view taken on line 4-4 of Fig. 1.
I claim: The ornamental design for a diflusion disk for lamps, substantially as shown.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date D. 124,167 Arenberg Dec. 24, 1940 2,147,914 Morehead Feb. 21, 1939