Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUSD203372 S
Publication typeGrant
Publication dateDec 28, 1965
Filing dateMar 11, 1965
Publication numberUS D203372 S, US D203372S, US-S-D203372, USD203372 S, USD203372S
InventorsCharles H. Miller
Original AssigneeKaiser Aluminum a Chemical Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Refractory block
US D203372 S
Abstract  available in
Images(3)
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

D25-422 SR D7463 OR D 203,372

United States Patent Office: 2033 Patented Dec. 28, 1965 REFRACTORY BLOCK Charles H. Miller, Youngstown, and William J. Wilson. Columbiana, Ohio, nssignurs to Kaiser Aluminum 84 Chemical Corporation, Oakland. Calif.. a corporation of Delaware Filed Mar. 11, 1965, Ser. No. 84,241

Term of patent 14 years (Cl. D8l-25) FIE-E Des. 203,372

PAGE 2 FIE 5 FIGURE 1 is a perspective view of a refractory block showing our new design;

FIGURE 2 is a plan view thereof;

FIGURE 3 is a partial sectional elevation view taken along the line 33 of FIGURE 2;

FIGURE 4 is a perspective view of a refractory block showing a modified form of our new design;

FIGURE 5 is a plan view of the block of FIGURE 4;

FIGURE 6 is a partial sectional elevation view taken along the line 66 of FIGURE 5; M

FIGURE 7 is a perspective view of a refractory block showing a further modified form of our design; and

FIGURE 8 is a plan view thereof.

Des. 203,372

PAGE 5 We claim: The ornamental design for a refractory block, substantially as shown and described.

References Cited by the Examiner UNITED STATES PATENTS D. 198,114 4/ 1964 Hall D18--2 X 2,652,793 9/ 1953 Heuer et al. 2,853,872 9/ 1958 Samuel. 2,960,048 1 1/ 1960 Garretts. 3,086,327 4/ 1963 Samuel et a1.

WALLACE R. BURKE, Primary Examiner.

A. HUGO WORD, Assistant Examiner.