Electrical safety plug
FIG. 1 is an environmental perspective view of an electrical safety plug showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top view with the bottom being a mirror image thereof;
FIG. 5 is a right side elevational view with the left side being a mirror image thereof;
FIG. 6 is a front elevational view of a second embodiment of an electrical safety plug showing my new design;
FIG. 7 is a rear elevational view thereof;
FIG. 8 is a top view with the bottom being a mirror image thereof; and,
FIG. 9 is a right side elevational view with the left side being a mirror image thereof.
The broken line showing of a plug, a mating electrical safety receptacle, and a plate is for illustrative purposes only and forms no part of the claimed design.
| D144636 | May 1946 | Shaeffer |
| D332251 | January 5, 1993 | Meinel |
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| 1523570 | January 1925 | Winter et al. |
| 1688772 | October 1928 | Alden |
| 2032501 | March 1936 | Reynolds |
| 3185983 | May 1965 | Prifogle |
| 3316523 | April 1967 | Trangmar |
| 3631320 | December 1971 | Eckert |
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| 4609240 | September 2, 1986 | Haase |
| 4674807 | June 23, 1987 | Boteler et al. |
| 434408 | April 1967 | CHX |
| 519783 | April 1940 | GBX |
| 526733 | September 1940 | GBX |
- Audio plug on p. 79 of LEMO USA INC. "S" Series Connector Catalog.
Type: Grant
Filed: Jun 30, 1992
Date of Patent: Jun 7, 1994
Inventor: Michael J. Rinker (Prague)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Attorney: Richard C. Litman
Application Number: 7/905,654
