This area was updated. Please refer to the CPC Notices of Changes and Notices of Editorial Corrections for more information.
COOPERATIVE PATENT CLASSIFICATION
Perpetual calendars [2013-01]
with interchangeable members bearing the indicia [2013-01]
wherein members bearing the indicia are movably mounted in the calendar [2013-01]
with rotatable members [2013-01]
. . .
of disc form [2013-01]
with members in band form [2013-01]
electrically operated [2013-01]