| IPC 7 English version |
| F21Y-F21Y11302 |
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| SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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| F 21 | LIGHTING (electric aspects or elements, see section H, e.g. electric light sources H01J, H01K, H05B) |
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| F 21 Y | INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES [7] |
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| Notes |
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| (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] |
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| (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] |
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101: | 00 | Point-like light sources [7] |
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101: | 02 | . | Miniature, e.g. light emitting diodes (LED) [7] |
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103: | 00 | Elongated light sources, e.g. fluorescent tubes [7] |
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103: | 02 | . | curved, e.g. ring-shaped [7] |
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103: | 025 | . | . | U-shaped [7] |
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105: | 00 | Planar light sources [7] |
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111: | 00 | Light sources of form not covered by preceding groups [7] |
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113: | 00 | Combination of light sources [7] |
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113: | 02 | . | of different form [7] |
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