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IPC 7
F21Y-F21Y11302

SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING


F 21LIGHTING (electric aspects or elements, see section H, e.g. electric light sources H01J, H01K, H05B)


F 21 YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES [7]


Notes

(1)This subclass constitutes an indexing scheme associated with subclasses F21L, F21S and F21V, relating to the form of the light sources. The indexing codes should be unlinked. [7]

(2)Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code. [7]



101:

00Point-like light sources [7]

101:

02.Miniature, e.g. light emitting diodes (LED) [7]


103:

00Elongated light sources, e.g. fluorescent tubes [7]

103:

02.curved, e.g. ring-shaped [7]

103:

025..U-shaped [7]


105:

00Planar light sources [7]


111:

00Light sources of form not covered by preceding groups [7]


113:

00Combination of light sources [7]

113:

02.of different form [7]

  
 

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