Door for vacuum furnace
US D236981 S
Description (OCR text may contain errors)
United States Patent P 2 236,981 atente ept. 30, 1975 DOOR FOR VACUUM FURNACE Donald L. Winslow, Lake Arrowhead, Calif., assignor to The J. M. Ney Company, Bloomfield, Conn.
Filed Jan. 21, 1974, Ser. No. 434,659
Term of patent 14 years Int. Cl. D240I, 99; D23-03 US. Cl. D2382 FIG. 1 is a front elevational view of a door for vacuum furnace showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is an elevational view of the left side thereof as seen in FIG. 1; and
FIG. 6 is an elevational view of the side opposite to that in FIG. 5.
The ornamental design for a door for vacuum furnace, as shown.
Des. 236,981 Page 2 of 2 References Cited UNITED STATES PATENTS D. 105,838 8/1937 Bruning et a]. D2382 D. 167,568 8/1952 Gold D23-82 D. 194,650 2/1963 Gold D23-82 2,970,718 2/1961 Jennings, Jr. 220-316 3,273,521 9/1966 Nyberg 110-179 OTHER REFERENCES Scientific Glass Apparatus, Cat. #63, 1962, p. 792, item No. #O8990, vacuum oven.
BERNARD ANSHER, Primary Examiner