USD147099S - Design for a staircase - Google Patents

Design for a staircase Download PDF

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Publication number
USD147099S
USD147099S US D147099 S USD147099 S US D147099S
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US
United States
Prior art keywords
staircase
design
zavada
frank
united states
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Frank J. Zavada
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Carnegie
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July 8, 1947. F. J. ZAVADA 7 1385- 147,099
' STAIRCASE Filed March 3, 1945 Patented July 8, 1947 UNITED STATES Des. 147,099
PATENT OFFICE DESIGN FOR A STAIRCASE Frank J. Zavada, Pittsburgh, Pa., assignor to Carnegie-Illinois Steel Corporation, a corporation of New Jersey To all whom it may concern;
Be it known that I, Frank J. Zavada, a citizen of the United States and a resident of Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented a new, original, and ornamental Design for a Staircase, of which the following is a specification, reference being had to the accompanying drawing, forming part thereof.
Figure 1 is a perspective View of a staircase, showing my new design; and
Figure 2 is an enlarged fragmentary sectional view taken on line II--II of Figure l.
I claim:
The; ornamental design for a staircase, as shown.
FRANK J. ZAVADA.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 1,113,368 Nesdall Oct. 13, 1914 1,688,210 Smith et a1. Oct. 16, 1928 1,553,474 Price Sept. 15, 1925 2,205,859 ODonnell June 25, 1940

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