Description
ELECTROMECHANICAL CLOCKS OR WATCHES (mechanical parts of clocks or watches in general G04B; electronic time-pieces with no moving parts, electronic circuitry for producing timing pulses G04G)
ELECTROMECHANICAL CLOCKS OR WATCHES (mechanical parts of clocks or watches in general G04B; electronic time-pieces with no moving parts, electronic circuitry for producing timing pulses G04G)
Subclass | Title |
---|---|
1/00 | Winding mechanical clocks electrically (winding mechanically G04B 3/00) |
1/02 | Winding mechanical clocks electrically (winding mechanically G04B 3/00) by electromagnets |
1/04 | Winding mechanical clocks electrically (winding mechanically G04B 3/00) by electric motors with rotating or with reciprocating movement |
1/06 | Winding mechanical clocks electrically (winding mechanically G04B 3/00) by electric motors with rotating or with reciprocating movement winding-up springs |
1/08 | Winding mechanical clocks electrically (winding mechanically G04B 3/00) by electric motors with rotating or with reciprocating movement raising weights |