Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
B41J29/54—Locking devices applied to printing mechanisms
B41J29/58—Locking devices applied to printing mechanisms and automatically actuated
B41J29/68—Locking devices applied to printing mechanisms and automatically actuated by completion of a page or predetermined number of lines or exhaustion of paper to lock the keyboard
