G03B21/321 - CPC Classification Index

ClassID:

175929 ⎘

G03B21/321 - CPC Classification

Classification description:

Projectors or projection-type viewers; Accessories therefor; Details; Details specially adapted for motion-picture projection Holders for films, e.g. reels, cassettes, spindles

Sub-classes:

G03B21/323 » {Cassettes } 2
G03B21/326 » {Means for fixing the film on the axis of a reel or spindle} 0
G03B21/328 » {Means for fixing the film on the periphery of a reel} 3

Recent Application in this class:

20210381666

2021-12-09

Lighting device for projecting a starry pattern

20200166827

2020-05-28

Projection system and control method of driving current therefor

20180215575

2018-08-02

SUSPENDED SURFACE ASSEMBLY AND A METHOD FOR DEPLOYING SAME

20060002690

2006-01-05

Intelligent media splice

16147588

2019-12-10

Dynamic projection light

15679774

2018-08-07

Projector