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.)
Expired
Application number
GB2240738A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JOSEPH PATRICK O HALLORAN
Original Assignee
JOSEPH PATRICK O HALLORAN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JOSEPH PATRICK O HALLORANfiledCriticalJOSEPH PATRICK O HALLORAN
Priority to GB2240738ApriorityCriticalpatent/GB517540A/en
Publication of GB517540ApublicationCriticalpatent/GB517540A/en
B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
B41J3/24—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for perforating or stencil cutting using special types or dies
GB2240738A1938-07-281938-07-28Improvements in or relating to carbon roll mechanism for typewriters and like machines
ExpiredGB517540A
(en)