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.)
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Heindl & Petters Fa
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Heindl & Petters Fa
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Filing date
Publication date
Application filed by Heindl & Petters FafiledCriticalHeindl & Petters Fa
Application grantedgrantedCritical
Publication of FR727161ApublicationCriticalpatent/FR727161A/en
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
FR727161D1931-10-211931-10-21
Typewriter Paper Roll Stopper Improvements
ExpiredFR727161A
(en)