USD179556S - Door knocker - Google Patents

Door knocker Download PDF

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Publication number
USD179556S
USD179556S US D179556 S USD179556 S US D179556S
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US
United States
Prior art keywords
door knocker
knocker
door
united states
showing
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Edward S. Blankenship
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United States Patent ()fi DOOR KNOCKER Edward S. Blankenship, Nashville, Tenn.
Application September 16, 1954, Serial No. 32,303
Term of patent 14 years (Cl. D10-7) Fig. l is a front elevational view of a door knocker showing my new design.
Fig. 2 is a side elevational view of the right side of the showing of Fig. 1.
Fig. 3 is a plan view of the disclosure of Fig. l. v
The dominant features of my design are shown in solid lines.
I claim:
The ornamental design for a door knocker, as shown and described.
lice
Des. 179,556 Patented Jan. 22, 1957 References Cited in the file of this patent D. 21,411 D. 29,435 D. 68,108 D. 143,115 D. 166,889
UNITED STATES PATENTS Cohen Mar. 22, 1892 Mcllrath Oct. 4, 1898 Livermore Sept. 1, 1925 Bell Dec. 11, 1945 Stec May 27, 1952

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