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Publication numberUSD135150 S
Publication typeGrant
Publication dateMar 2, 1943
Filing dateDec 24, 1942
Publication numberUS D135150 S, US D135150S, US-S-D135150, USD135150 S, USD135150S
InventorsWalker C. Cottrell
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Portable sound amplification unit
US D135150 S
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

March 2, 1943. w. c. GoT-mem.. JR., ET Al. Ds- 135,150

PORTABLE SOUND AMPLIFICATION UNIT FiledDec. V24:, 194)? 2 Sheets-Sheet 1 March-2, 1943. w. c. COTTRELL, JR., ETAL DeS 135,150

l PORTABLE SOUND AMLIFIQATIZONl UNIT I Filed Dec. 24, 1942 2 Sheets-Sheet 2 Patented Mar. 2, 1943 UNITED STATES Des. 135,150

PATENT OFFICE DESIGN FOR A PORTABLE? SOUND AMPLIFIATION UNIT Walker C. Cottrell, Jr., and Alexander S. Ganzert,

Jr., Richmond, Va., and Milton J. Shapp, Silver Spring, Md.

Application December 24, 1942, Serial No. 109,128

Term of patent 7 years Figure 2 is an end elevational View thereof showing the end opposite to that visible in Figure 1;

Figure 3 is a side elevational View thereof showing the side opposite to that visible in Figure 1; and

Figure 4 is a top plan view thereof.

We claim:

The ornamental design for a portable sound amplification unit, as shown.

WALIQER C. COTTRELL, JR. ALEXANDER S. GANZERT, JR. MILTON J. SHAPP.