Patent Order Punch Card with Synchronous Motor Patent Papers

Patent Order Punch Card with Synchronous Motor Patent Papers

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Description
This orange punch card, used by the U.S. Patent Office, is attached to a copy of the patent papers the card describes. The card has 53 columns versus the standard IBM 80-column punch card. It is marked PO-33, PATENT ORDER (Letter Unit) on the left edge, and IBM D7 7517 on the bottom edge.
The following information is punched and printed on the card: the patent number (1913948), customer number (11530), month (01), day (29), and serv. code (6M).
The patent papers requested (5 pages) were for patent number 1,913,948 filed on May 2, 1932 by David Perlman for a Synchronous Motor. His patent was for improvements in electrically operated time-pieces.
Location
Currently not on view
Object Name
punch card
document, patent, copy
maker
IBM
Physical Description
orange (punch card color)
paper (overall material)
Measurements
punch card: 8.2 cm x 12.2 m; 3 7/32 in x 40 1/32 ft
overall: 27.85 cm x 21.6 cm; 10 31/32 in x 8 1/2 in
ID Number
2017.3122.03
nonaccession number
2017.3122
catalog number
2017.3122.03
patent number
1,913,948
See more items in
Medicine and Science: Computers
Computers & Business Machines
Science & Mathematics
Data Source
National Museum of American History
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