USD230190S - Horizontal sliding door for pressure vessels - Google Patents

Description

Des. 230,190 Patented Jan. 29, 1974 United States Patent Ofiice HORIZONTAL SLIDING DOOR FOR PRESSURE VESSELS asslgnor to Welding and Steel Fabrication Co., Inc.

, Tonawanda, NY.

Henry J. Plegza, Clarence, N.Y.

Filed Nov. 4, 1971, Ser. No. 195,891

Term of patent 14 years Int. Cl. D1599 US. Cl. DSS-l R Des. 230,190

FIG. 1 is a front perspective view of the horizontal sliding door for pressure vessels;

FIG. 2 is a front perspective view thereof with an element in an alternative position;

FIG. 3 is a top plan view thereof, as shown in FIG. 2;

FIGS. 4 and 5 are end views thereof, as shown in FIG. 2; and

FIG. 6 is a rear elevational view thereof, as shown in FIG. 1.

The broken line disclosure of FIG. 1 is for illustrative purposes only and forms no part of the claimed design.

I claim: The ornamental design for a horizontal sliding door for pressure vessels, as shown and described.

References Cited UNITED STATES PATENTS D. 223,961 6/1972 Piegza D55-1 R 3,695,482 10/1972 Smith 2203 X 3,460,710 8/1969 VOgeli 220-3 X 3,270,906 9/1966 Christensen 220-46 MS WALLACE R. BURKE, Primary Examiner A. P. DOUGLAS, Assistant Examiner

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