Carlson hack saw
US D160574 S
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oct. 24, 195o .J,H, CARLSON De.. 160,574
` HACK SAW Filed Aug. 15, 1947 Patented Oct. 24, 1950 Des. 160,574
UNITED STATES PATENT OFFICE HACK SAW Joel H. Carlson, Chicago, Ill.
Application August 13, 1947, Serial No. 140,845
y Term of patent 31/2 years (Cl. DS3-4) To all whom it may concern.' y
Be it known that I, Joel H. Carlson, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a new, original, and ornamental Design for a Hack Saw, of Which the following is a specication, reference being had to the accompanying drawing, forming part thereof.
Fig. 1 is a front elevational view of a hack saw, showing my new design.
Fig. 2 is a top plan view, and
Fig. 3 is a bottom plan view.
The ornamental design for a hack saw, as Shown.
J OELy I-I. CARLSON.
REFERENCES CITED The following references are of record ln the file of this patent:
UNITED STATES PATENTS Number Name Date 653,947 Condon July 17, 1900 2,137,742 Jack Nov. 22, 1938 2,303,705 Persson Dec. 1, 1942 OTHER REFERENCES Henry Disston & Sons, Catalog of 1911, page 158, item No. 1.