Historical Document · 1951
US Design Patent D163,136: Pocket Adding Apparatus Unit (K. R. Pangburn)
The companion design patent of 1 May 1951 for Pangburn's pocket adder.
Historical Document · 1951
The companion design patent of 1 May 1951 for Pangburn's pocket adder.
May 1, 1951 K. R. FANGBURN Des. 163,136 POCKET ADDING APPARATUS UNIT Filed May 1, 1950 2. Sheets-Sheet INVENTOR, R. PANGBURN AG ENT May 1, 1951 Filed May l, 1950 K. R. PANGBURN POCKET ADDING APPARATUS UNIT . Des. 163,136 2. Sheets-Sheet 2 INVENTOR. K. R. PANGEURN Des. 163,136 Patented May 1, 1951 UNITED STATES PATENT OFFICE 163,36 POCKET ADDING APPARATUS UNIT Kenneth R. Pangburn, Duluth, Minn. Application May 1, 1950, Serial No. 9,608 Term of patent 14 years (C. D64-11) To all uphon it may concern: Be it known that I, Kenneth R. Pangburn, a citizen of the United States of America, residing at Duluth, in the county of St. Louis and State of Minnesota, have invented a new, original, and ornamental Design for a Pocket Adding Appa ratus Unit, of which the following is a specifica tion, reference being had to the accompanying drawing, forming a part thereof: In the drawing: Fig. 1 is a perspective view of a pocket adding apparatus unit with the cover opened, showing my new design. Fig. 2 is a side perspective view of the same in a closed condition, the opposite side presenting Substantially the same appearance as the side shown. I claim: The ornamental design for a pocket adding apparatus unit, as shown and described. KENNETH. R. PANGBURN, REFERENCES CTED The following references are of record in the file of this patent: UNITED STATES PATENTS Name Date 501,596 Bersbach et al. -----. July 18, 1893 Number Number 513,501 FOREIGN PATENTS Country Date Great Britain ---...- Oct. 13, 1939