G03B21/52 - CPC Classification Index

ClassID:

175944 ⎘

G03B21/52 - CPC Classification

Classification description:

Projectors or projection-type viewers; Accessories therefor; Details; Details specially adapted for motion-picture projection; Control devices operated by the film strip during the run by prepared film

Recent Application in this class:

20190011824

2019-01-10

Dynamic projection light with posts fixed structure

20090106660

2009-04-23

Virtual film reader for digital cinema

20060017884

2006-01-26

System and method for registering motion picture film

20050036113

2005-02-17

System and method for registering motion picture film