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Publication numberDE3473234 D1
Publication typeGrant
Application numberDE19843473234
Publication date15 Sep 1988
Filing date30 Oct 1984
Priority date9 Nov 1983
Also published asCA1257641A, CA1257641A1, EP0145221A1, EP0145221B1, US4644439
Publication number19843473234, 843473234, DE 3473234 D1, DE 3473234D1, DE-D1-3473234, DE19843473234, DE3473234 D1, DE3473234D1, DE843473234
InventorsClaus Ebbe Taarning
ApplicantSmidth & Co As F L
Export CitationBiBTeX, EndNote, RefMan
Fast-acting spark-over detector
DE 3473234 D1
Abstract  available in
Description  available in
Claims  available in
Classifications
International ClassificationH02H7/00, B03C3/68
Cooperative ClassificationY10S323/903, B03C3/68
European ClassificationB03C3/68
Legal Events
DateCodeEventDescription
31 Aug 19898364No opposition during term of opposition
10 Oct 19968339Ceased/non-payment of the annual fee