USD158481S - Practice keyboard - Google Patents

Practice keyboard Download PDF

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Publication number
USD158481S
USD158481S US D158481 S USD158481 S US D158481S
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US
United States
Prior art keywords
practice keyboard
keyboard
practice
lugar
edgar
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Edgar T. Lugar
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Des. 158,481
y 1950 E. T. LUGAR PRACTICE KEYBOARD Filed July 15, 1948 INVENTOR.
06148 7. AUG/9A HIS ATTORNEYS Patented May 9, 1950 UNITED STATES PATENT Des. 158,481
OFFICE PRACTICE KEYBOARD Edgar T. Lugar, Berkeley, Calif.
Application July 13, 1948, Serial No. 147,517
Term of patent 3% years (Cl. D251) I claim: The ornamental design for a practice keyboard, substantially as shown.
EDGAR T. LUGAR.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Name Date Berger Feb. 24, 1948 Number D. 148,745

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