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Patent
D349683
Priority
Aug 10 1992
Filed
Aug 10 1992
Issued
Aug 16 1994
Expiry
Aug 16 2008
Assg.orig
Entity
unknown
9
17
n/a
The ornamental design for a spark plug extender , as shown and described.
FIG. 1 is a perspective view a sparkplug extender showing my new design;
FIG. 2 is a side view thereof, all side views being the same except for the
appearance of the bottom portion;
FIG. 3 is a top view thereof, including a top contact post centered within
an insulator; and,
FIG. 4 is a bottom view thereof, including a rubber insulating boot
surrounding a lower contact.
Arens, Ulf
Patent
Priority
Assignee
Title
3178661 ,
3213840 ,
3704701 ,
3874354 ,
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4369758 , Sep 18 1980
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4565179 , Jul 07 1983
AKIEBOLAGET SEVENSKA ELEKTROMAGNETER Apparatus in magneto ignition systems for providing time-separated sequences for charging and triggering in co-phased charging and triggering voltage sequences, including inhibition of the ignition sequence in such apparatus
4712521 , Jan 15 1987
Tecumseh Products Company Ignition system
4944259 , Dec 05 1988
Caterpillar Inc.; CATERPILLAR INC , A DE CORP Engine ignition system with an insulated and extendable extender
5101803 , Nov 10 1989
Nippondenso Co., Ltd. Ignition coil
209397 ,
FR1315863 ,
FR80419 ,
Date
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