USD162800S - Lens testing instrument - Google Patents
Lens testing instrument Download PDFInfo
- Publication number
- USD162800S USD162800S US D162800 S USD162800 S US D162800S
- Authority
- US
- United States
- Prior art keywords
- testing instrument
- lens testing
- ellis
- lens
- charles
- Prior art date
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- 230000003287 optical Effects 0.000 description 2
- 230000002747 voluntary Effects 0.000 description 2
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Description
April 10, 1951 c. A. ELLIS Des. 162,800
LENS TESTING INSTRUMENT Filed Dec. 22, 1950 INVENTOR CHARLES A. ELLIS ATTORNEY Patented Apr. 10, 1951 Des. 162,800
' LENS TESTING INSTRUMENT Charles A. Ellis. Southbridge, Mass assignor to American Optical Company, Southbridge, Mass, a voluntary association of Massachusetts ApplicationDeccmber 22, 1950, Serial N 0. 13,533
Term of patent 14 years 7 (Cl. D571) To all whom it may concern:
Be it known that 1, Charles A. Ellis, citizen of the United States of America, residing at Southbridge in the county of Worcester and State of Massachusetts, have invented a new, original, and ornamental Design for a Lens Testing Instrument, of which the following is a, specification, reference being made to the accompanying drawings, forming a part thereof.
Fig. 1 is a side front perspective view of a lens testing instrument showing my new design; and
Fig. 2 is the side elevational view of the 0pposite side as shown in Fig. 1. Y
The characteristic features of my new design are shown in full lines in the drawing.
Number I claim: I The ornamental design for a lens testing instrument, substantially as shown and described.
CHARLES A. ELLIS.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Name Date D. 154,734 Anderson Aug. 9, 1949 D. 159,477 Ellis Aug. 1, 1950 D. 160,847 Ellis Nov. 14, 1950
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