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.)
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Mole Richardson Co
Original Assignee
Mole Richardson Co
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Filing date
Publication date
Application filed by Mole Richardson CofiledCriticalMole Richardson Co
Application grantedgrantedCritical
Publication of FR938888ApublicationCriticalpatent/FR938888A/fr
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B21/00—Projectors or projection-type viewers; Accessories therefor
G03B21/14—Details
G03B21/16—Cooling; Preventing overheating
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR938888D1941-08-081946-12-17Dispositif de boîtier ventilé à ossature interceptrice de lumière pour projecteurs cinématographiques ou autres
ExpiredFR938888A
(fr)