USD41835S - Design for an instrument for detecting internal strains in lenses - Google Patents

Design for an instrument for detecting internal strains in lenses Download PDF

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Publication number
USD41835S
USD41835S US D41835 S USD41835 S US D41835S
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US
United States
Prior art keywords
instrument
design
lenses
detecting internal
internal strains
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Inventor
Lucian W. Bugbee
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DESIGN.
L. W. BUGBEE. INSTRUMENT FOR DETECTING INTERNAL STRAINS IN LENSES.
APPLIOATI ON FILED JUNEZQ, 1911.
Patented Oct. 10,1911.
,a/fi ATTORNEY WITNESSES.
f i W4.
LULUMBIA PLANOGRAPH 17., WASHINGTON, D. c.
UNITED STATES PATENT OFFICE.
LUCIAN W. BUGIBEE, OF SOUTI-IIBRIDGE, MASSACHUSETTS, ASSIGNOR TO AMERICAN OPTICAL COMPANY, OF SOUTHBRIDGE, MASSACHUSETTS, A CORPORATION OF MAS- SACHUSETTS.
DESIGN FOR AN INSTRUMENT FOR DETECTING INTERNAL STRAINS IN LENSES.
Application filed June 29, 1911.
Specification for Design.
Serial No. 636,131.
Patented Oct. 10, 1911.
Term of patent 7 years.
I and II are perspective views of the same instrument taken from opposite sides.
I claim:
The ornamental design of an instrument for detecting internal strains in lenses as shown.
LUCIAN W. BUGBEE.
Witnesses REGINALD H. VVATERS, PAUL T. TRUEMAN.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.

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