Closure plug

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Description

FIG. 1 is a plan view of a closure plug showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof; and

FIG. 7 is a sectional view taken on line A--A of FIG. 1.

Referenced Cited
U.S. Patent Documents
D197922 April 1964 Senoff
676701 June 1901 Scior
1912969 June 1933 Carvalho
2663451 December 1953 Yarnall
3207356 September 1965 Pentesco
Patent History
Patent number: D267545
Type: Grant
Filed: Apr 14, 1980
Date of Patent: Jan 11, 1983
Assignee: Yamato Iron Works Co., Ltd. (Tokyo)
Inventor: Kinji Mineo (Tokyo)
Primary Examiner: Robert C. Spangler
Law Firm: Armstrong, Nikaido, Marmelstein & Kubovcik
Application Number: 6/140,085
Classifications
Current U.S. Class: D/9439
International Classification: D0907;