USD187577S - Ion exchange unit - Google Patents
Ion exchange unit Download PDFInfo
- Publication number
- USD187577S USD187577S US D187577 S USD187577 S US D187577S
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- US
- United States
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- ion exchange
- exchange unit
- view
- unit
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- 238000005342 ion exchange Methods 0.000 title description 4
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Description
United States Patent 0 "ice Des-187,577
Patented Mar. 29, 1960 187,577 ION EXCHANGE UNI'i Verity C. Smitli, Dedham, Mass.
Application January 19, 1959, Serial No. 54,233
Term of patent 14 years (Cl. D911) Fig. 1 is a perspective view showing the front and left side of an ion exchange unit embodying my new design,
Fig. 2 is a view in side elevation showing the right side of the Unit,
Fig. 3 is a view in rear elevation, and
Fig. 4 is a bottom plan view of the unit.
Des. 187,577
PAGE 2 I claim: The ornamental design for an ion exchange unit, substantially as shown.
References Cited in the file of this patent Industrial and Engineering Chemistry, March 1949, page 453, bottom right.
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