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 FR7620042ApriorityCriticalpatent/FR2323197A1/fr
Publication of FR2323197A1publicationCriticalpatent/FR2323197A1/fr
Application grantedgrantedCritical
Publication of FR2323197B1publicationCriticalpatent/FR2323197B1/fr
G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B19/00—Teaching not covered by other main groups of this subclass
G09B19/06—Foreign languages
Landscapes
Business, Economics & Management
(AREA)
Engineering & Computer Science
(AREA)
Entrepreneurship & Innovation
(AREA)
Physics & Mathematics
(AREA)
Educational Administration
(AREA)
Educational Technology
(AREA)
General Physics & Mathematics
(AREA)
Theoretical Computer Science
(AREA)
Machine Translation
(AREA)
FR7620042A1976-06-301976-06-30Appareil electrique destine a l'etude des langues
GrantedFR2323197A1
(fr)