ES4283A1 -
Improvement in drilling instruments to produce matrices or models used in the reproduction of writings, drawings and other designs.
- Google Patents
Improvement in drilling instruments to produce matrices or models used in the reproduction of writings, drawings and other designs.
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.)
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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES4283ApriorityCriticalpatent/ES4283A1/en
Publication of ES4283A1publicationCriticalpatent/ES4283A1/en
ES4283A1884-06-071884-06-07
Improvement in drilling instruments to produce matrices or models used in the reproduction of writings, drawings and other designs.
ExpiredES4283A1
(en)
An apparatus to reproduce with rapidity and cleanliness the writings, drawings and all kinds of plans and designs made with punched matrices with any of the pens or piercing instruments that are known or can be discovered.