AT283951B - Blackboard - Google Patents

Blackboard

Info

Publication number
AT283951B
AT283951B AT1020968A AT1020968A AT283951B AT 283951 B AT283951 B AT 283951B AT 1020968 A AT1020968 A AT 1020968A AT 1020968 A AT1020968 A AT 1020968A AT 283951 B AT283951 B AT 283951B
Authority
AT
Austria
Prior art keywords
blackboard
Prior art date
Application number
AT1020968A
Other languages
German (de)
Original Assignee
Herberts & Co Gmbh Dr Kurt
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 Herberts & Co Gmbh Dr Kurt filed Critical Herberts & Co Gmbh Dr Kurt
Application granted granted Critical
Publication of AT283951B publication Critical patent/AT283951B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04—Blackboards
    • B43L1/10—Writing surfaces thereof
AT1020968A 1967-10-31 1968-10-18 Blackboard AT283951B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967H0060673 DE1978995U (en) 1967-10-31 1967-10-31 WALL PANEL.

Publications (1)

Publication Number Publication Date
AT283951B true AT283951B (en) 1970-08-25

Family

ID=7161073

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1020968A AT283951B (en) 1967-10-31 1968-10-18 Blackboard

Country Status (8)

Country Link
AT (1) AT283951B (en)
BE (1) BE723110A (en)
DE (1) DE1978995U (en)
ES (2) ES141408Y (en)
FR (1) FR1585302A (en)
GB (1) GB1237269A (en)
NL (1) NL6813338A (en)
SE (1) SE341596B (en)

Also Published As

Publication number Publication date
DE1978995U (en) 1968-02-15
GB1237269A (en) 1971-06-30
ES357943A1 (en) 1970-04-01
ES141408Y (en) 1970-10-01
FR1585302A (en) 1970-01-16
BE723110A (en) 1969-04-01
SE341596B (en) 1972-01-10
ES141408U (en) 1969-01-16
NL6813338A (en) 1969-05-02

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee