DIFF Subgroup
G04C 23/04 Housings, supports, shielding, or similar stationary parts
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals > Constructional details > Housings, supports, shielding, or similar stationary parts
CPC:
Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals (if restricted to producing acoustic time signals by electrical means G04C21/00) > Constructional details > Housings, supports, shielding, or similar stationary parts
No child classifications to compare. This is a leaf node in both IPC and CPC.