USD172377S - Safety knife - Google Patents

Description

June 1954 c. B. WOOFTER Des. 172,377

SAFETY KNIFE Filed Oct. 5, 1953 o m h. m m H FIG. I. F162 FIGS.

Zinveutor CECIL B. WOOFTER Gttomeg Patented June 1, 1954 Des. 172,377

UNITED STATES PATENT OFFICE SAFETY KNIFE Cecil B. Woofter, St. Paul, Minn., assignor to Brown & Bigelow, St. Paul, Minn.

To all whom it may concern:

Be it known that I, Cecil B. Woofter, a citizen of the United States, residing in St. Paul, county of Ramsey, and State of Minnesota, have invented a new, original, and ornamental Design for a Safety Knife, for which the following is a specification, reference being had to the accompanying drawing, forming part thereof.

Figure 1 is a side elevational view of a safety knife, showing my new design,- the side opposite presenting a similar appearance;

Figure 2 is a rear end view thereof;

Figure 3 is a top plan view;

Figure 4 is a front end view; and

Figure 5 is a side elevational view thereof as it appears in open position with the blade guard swung back onto the knife.

I claim: The ornamental design for a safety knife, as shown and described.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date D. 111,073 Fischer Aug. 30, 1938 D. 124,686 Beffert Jan. 14, 1941 D. 141,109 Doniger May 8, 1945 OTHER REFERENCES Premium Practice, August 1951, page 11, Prince knife item.

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