Safety plug

Description

FIG. 1 is a front elevational view of the safety plug showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is an isometric view thereof.

Referenced Cited
U.S. Patent Documents
D326642 June 2, 1992 Lowe
3631320 December 1971 Eckert
3754205 August 1973 Lenkey
4340267 July 20, 1982 Nukaga
4969834 November 13, 1990 Johnson
Other references
  • Symbols on p. 140 of Henry Dreyfuss Symbol Sourcebook .COPYRGT.1972, Located in Examiner Lucas' office.
Patent History
Patent number: D344064
Type: Grant
Filed: Jun 17, 1992
Date of Patent: Feb 8, 1994
Inventor: Bernard A. Cirullo (Highland, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Attorney: S. Michael Bender
Application Number: 7/900,109
Classifications
Current U.S. Class: D13/138