US D196808 S
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United States Patent 0 1),, 196,808 Patented Nov. 5, 1963 "ice PRESSURE GAUGE Harry W. Hofi, Quakertown, Pa., assignor to Ametek, Inc., New York, N.Y., a corporation of Delaware Filed July 12, 1962, Ser. No. 10,901
Term of patent 14 years (Cl. D52--6) FIG. 1 is a front view of a pressure gauge showing my new design, it being understood that the flutes as shown are continued entirely around the surface.
FIG. 2 is a side view of FIG. 1; 7
FIG. 3 is a front perspective view of the gauge casing; and
FIG. 4 is a fragmentary enlarged sectional view taken along the line 4-4 of FIG. -3.
The essential feature of my design for a pressure gauge resides in the closely spaced flutes on the inner circumference of the side walls of the integral casing.
The ornamental design for a pressure gauge, substantially as shown and described.
References Cited in the file of this patent UNITED STATES PATENTS D. 68,807 Hill Nov. 17, 1925 1,627,892 Frederick May 10, 1927 2,240,243 Mason Apr. 29, 1941 3,053,094 Mangle Sept. 1-1, 1962 OTHER REFERENCES Plastics Magazine, May 1948, vol. 8, No. 3, knob No. 18 at bottom of page 7.
Autocar, Nov. 10, 1939, item on left side of page 675.
Modern Plastics, December 1960, transparent valve items on page 125.