USD180043S - Doorknob - Google Patents
Doorknob Download PDFInfo
- 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
Links
- 238000004519 manufacturing process Methods 0.000 description 1
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Description
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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