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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Meredith Publishing Co
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Meredith Publishing Co
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Priority claimed from US512842Aexternal-prioritypatent/US3363336A/en
Application filed by Meredith Publishing CofiledCriticalMeredith Publishing Co
Application grantedgrantedCritical
Publication of FR1503270ApublicationCriticalpatent/FR1503270A/fr
G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B11/00—Teaching hand-writing, shorthand, drawing, or painting
G09B11/04—Guide sheets or plates; Tracing charts
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Engineering & Computer Science
(AREA)
Business, Economics & Management
(AREA)
Physics & Mathematics
(AREA)
Educational Administration
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Educational Technology
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General Physics & Mathematics
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Theoretical Computer Science
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FR86203A1965-12-101966-12-05Procédé et dispositif pour l'enseignement de l'écriture
ExpiredFR1503270A
(fr)