USD180043S - Doorknob - Google Patents

Doorknob Download PDF

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Publication number
USD180043S
USD180043S US D180043 S USD180043 S US D180043S
Authority
US
United States
Prior art keywords
doorknob
united states
ruex
isatop
viewo
Prior art date
Application number
Inventor
Van Day Truex
Original Assignee
The Yale a Towne Manufacturing Company
Filing date
Publication date

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United States Patent 0 Hce Des-180,043
DOORKNOB Van Day T ruex, New York, N. Y., assignor to The Yale & Towne Manufacturing Company, Stamford, Conn., a corporation of Connecticut Application March 23, 1956, Serial No. 40,752
Term of patent 7 years (Cl. D50-3) Fig. 1 is a side elevation of a doorknob embodying my References Cited in the file of this patent gd g f h d k b UNITED STATES PATENTS 1g. isatop viewo t e oor no i D. 73,828 Camera Nov. 15, 1927 f 3 mm end of the knob D. 94,210 Guild Jan, 1, 1935 The ornamental design for a doorknob, substantially as shown.
Patented Apr. 9, 1957

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