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 DE1954K0014858priorityCriticalpatent/DE1681787U/en
Publication of DE1681787UpublicationCriticalpatent/DE1681787U/en
iM.TT5340-212.54iM.TT5340-212.54Be Schreibung tDescription tDie an der runden Schul—Wandtafelkreide in der Eänge verlaufende
Gradkantre soll ein. fortrollen der Kreide von schrägen Flächen,
Pulte, Bänke und Tische verhindern,- und gewährleistet gleichzei— tig eine erhöhte Bruchfestigkeit» Außerdem ergeben sich durch,
die geraden Seitenflächen der Gradkante verbesserte Schreibeigenschaften,
"beim Schreiben von Schriften»The one running on the round school blackboard chalk in the entrance
Edge should be a. rolling the chalk off sloping surfaces,
Desks, benches and tables prevent - and at the same time ensure increased breaking strength.
the straight side surfaces of the straight edge improved writing properties,
"when writing fonts"Schut zansprucn rProtection claims rRunde Schul—WandtSfölkreide wird dadurch gekennzeichnet, daß
auf ihrer ganzen länge- eine Gradkante angegossen wird.*Round school wall chalk is characterized in that
A straight edge is cast along its entire length. *
DE1954K00148581954-02-231954-02-23
SCHOOL BLACKBOARD CHALK.
ExpiredDE1681787U
(en)