|Publication number||USD168528 S|
|Publication date||Jan 6, 1953|
|Filing date||Mar 5, 1952|
|Publication number||US D168528 S, US D168528S, US-S-D168528, USD168528 S, USD168528S|
|Inventors||Frank G. Back|
|Export Citation||BiBTeX, EndNote, RefMan|
|External Links: USPTO, USPTO Assignment, Espacenet|
Jan. 6, 1953 F. G. BACK Des. 168,528
TESTING DEVICE FOR OPTICAL LENSES AND THE LIKE Filed March 5, 1952 IN VEN TOR.
Patented Jan. 6, 1953 UNITED STATES PATENT Des. 168,528
OFFICE TESTING DEVICE FOR OPTICAL LENSES AND THE LIKE To all whom it may concern:
Be it known that I, Frank G. Back, a citizen of the United States, residing in the city, county, and State of New York, have invented a new, original, and ornamental Design for 2. Testing Device for Optical Lenses and the like, of which the following is a specification, reference being had to the accompanying drawing, forming part thereof.
Fig. 1 is a top plan view of a testing device for optical lenses and the like, embodying my new design;
Fig. 2 is a side elevational view of the testing device for optical lenses and the like; and
Fig. 3 is an end view thereof.
I claim: The ornamental design for a testing device for optical lenses and the like, as shown.
FRANK G. BACK.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 465,409 Knipe Dec. 15, 1891 1,227,507 Victor May 22, 1917 2,147,260 Lewis Feb. 14, 1939 2,496,724 Host Feb. 7, 1950