CH 114d

The Swiss patent classification of the time had a class 114 for Éclairage et brûleurs, and a subclass 114d for Dispositifs d'allumage ou d'extinction pour bruleurs a gaz, lampes, et bougies, y compris les dispositifs automatiques.

This wiki has 1 patents in category "CH 114d".

Patents in category CH 114d

• Patent CH-1911-58079 (English title: Device for the automatic performance of a short-duration work at predetermined times, Filing date: 1911-10-12, Applicant firm: Novitas Fabrik Elektrischer Apparate A.-G.)

Enclosing categories	Swiss patent classifications, 1908-1920, CH 114
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Start year	1908
End year	1920