USD162907S - Drafting machine thumb control unit - Google Patents

Description

April 10, 1951 F. E. VAUGHAN Des. 162,907

DRAFTING MACHINE THUMB CONTROL UNIT Filed Nov. 8, 1950 Enventor, @4/v6/5f%1z/a///)/Y 169m 7a- Patented Apr. 10, 1951 Des. 162,907

UNITED STATES PATENT OFFICE DRAFTING MACHINE THUMB CONTROL UNIT Francis E. Vaughan, Pasadena, Calif. Application November 8, 1950, Serial No. 12,912

Term of patent 14 years (Cl. D52-1) To all whom it may concern:

Be it known that I, Francis E. Vaughan, a citizen of the United States, residing at Pasadena; in the county of Los Angeles and State of California, have invented a new, original, and ornamental Design for a Drafting Machine Thumb Control Unit, of which the following is a specification, reference being had to the accompanying drawing, forming part thereof.

Fig. 1 is a front perspective view of a drafting machine thumb control unit, showing my new design;

Fig. 2 is a rear elevational view thereof;

Fig. 3 is atop plan view of Figs. 1 and 2; and

Fig. 4 is a sectional View taken in the direction of the lines 44 in Fig. 1.

I claim: The ornamental design for a drafting machine thumb control unit, substantially as shown.

FRANCIS E. VAUGHAN.

Name Date Ammann Sept. 15, 1931 Number

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