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Publication numberUSD218009 S
Publication typeGrant
Publication dateJul 14, 1970
Filing dateJan 13, 1969
Publication numberUS D218009 S, US D218009S, US-S-D218009, USD218009 S, USD218009S
InventorsIrwin A. Bosack
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Instrument adjustment knob
US D218009 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

on im 8 14 21 y u u D 0 United States Patent 0 "ice INSTRUMENT ADJUSTMENT KNOB Irwin A. Bosack, Bufialo, N.Y., assignor to American Optical Corporation, Southbridge, Mass., a corporation of Delaware Filed Jan. 13, 1969, Ser. No. 15,317

Term of patent 3 /2 years Int. Cl. D803 US. Cl. D8145 References Cited FIG. 1 is a perspective view of an instrument adjustment knob, showing my new design;

00 44 11 t DD 8 u" N Eu" H 5 me A ka SRK D54 men MUM Uuw 94 2 96 8 1 69 DD FIG. 2 is a top plan view of the same;

FIG. 3 is a bottom view of the same; and

FIG. 4 is a side elevation view of the same. A I claim:

OTHER REFERENCES The ornamental design for an instrument adjustment knob, as shown.

GC Electronics (General Cement), Cat. FR-65, 1963, p. 108, Zenith volume knob, 5th row, 2nd from left.

WALLACE R. BURKE, Primary Examiner W. N. WERTMAN, Assistant Examiner