Expandable plug

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Description

FIG. 1 is a top perspective view of an expandable plug showing my new design;

FIG. 2 is a transverse sectional view thereof;

FIG. 3 is a reduced top perspective view thereof; and,

FIG. 4 is a reduced bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
D93650 October 1934 Fleisch
D280080 August 13, 1985 Miskinis
869700 October 1907 Fraser
1239225 September 1917 Sampson
1464646 August 1923 Cross
2424930 July 1947 Jackson
2479862 August 1949 Payne
3317071 May 1967 Teeters
Foreign Patent Documents
0280428 January 1952 CHX
Patent History
Patent number: D326408
Type: Grant
Filed: Oct 13, 1989
Date of Patent: May 26, 1992
Assignee: Aladdin Equipment Company, Inc. (Huntington Beach, CA)
Inventor: Lindy Smith (Huntington Beach, CA)
Primary Examiner: B. J. Bullock
Law Firm: Lyon & Lyon
Application Number: 7/421,003
Classifications
Current U.S. Class: D/8499; D/9439; D/9443; D/9453