|Publication number||USD116698 S|
|Publication date||Sep 19, 1939|
|Filing date||Apr 22, 1939|
|Publication number||US D116698 S, US D116698S, US-S-D116698, USD116698 S, USD116698S|
|Inventors||George F. Ruopp|
|Export Citation||BiBTeX, EndNote, RefMan|
|External Links: USPTO, USPTO Assignment, Espacenet|
Sept. 19, 1939. RUQPP Des. 116,698
COMBINED TEMPERATURE AND ALTITUDE GAUGE FOR swam BOILERS Filed April 22, 1939 1 flzyezzzor.
Patented Sept. 19, 1939 UNITED STATES Des. 116,698
PATENT OFFICE DESIGN FOR A COMBINED TEMPERATURE AND ALTITUDE GAUGE FOR STEAM BOIL- ERS George F. Ruopp, Marshalltown, Iowa.
7 Application April 22, 1939, Serial No. 84,495
Term of patent 7 years Figure 1 is a front elevation of the combined temperature and altitude gauge for steam boilers showing my new design;
Figure 2 is a side elevation; and
Figure 3 is a rear elevation.
The ornamental design for a combined temperature and altitude gauge for steam boilers, as shown.
GEORGE F. RUOPP.