FR889069A - Dispositif d'éclairement pour instruments de mesure ou d'indication, à index et graduation de cadran apparaissant en clair sur fond sombre
- Google Patents
Dispositif d'éclairement pour instruments de mesure ou d'indication, à index et graduation de cadran apparaissant en clair sur fond sombre
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Askania Werke AG
Original Assignee
Askania Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Askania Werke AGfiledCriticalAskania Werke AG
Application grantedgrantedCritical
Publication of FR889069ApublicationCriticalpatent/FR889069A/fr
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B19/00—Indicating the time by visual means
G04B19/30—Illumination of dials or hands
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR889069D1941-04-101942-12-14Dispositif d'éclairement pour instruments de mesure ou d'indication, à index et graduation de cadran apparaissant en clair sur fond sombre
ExpiredFR889069A
(fr)