DIFF Subgroup
F21V 11/02 using parallel laminae or strips, e.g. of Venetian-blind type (F21V11/06 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: using parallel laminae or strips, e.g. of Venetian-blind type
CPC: using parallel laminae or strips, e.g. of Venetian-blind type (F21V11/06 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Screens not covered by groups , , or > using parallel laminae or strips, e.g. of Venetian-blind type
CPC:
Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 (characterised by cooling arrangements F21V29/502) > using parallel laminae or strips, e.g. of Venetian-blind type (F21V11/06 takes precedence)
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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