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PCE
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DIFF Subgroup
G03B 11/06

Lens caps for exposure making

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Filters or other obturators specially adapted for photographic purposes > Hoods or caps for eliminating unwanted light from lenses, viewfinders, or focusing aids > Lens caps for exposure making

CPC:

Filters or other obturators specially adapted for photographic purposes > Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids > Lens caps for exposure making

No child classifications to compare. This is a leaf node in both IPC and CPC.