FR1599018A - - Google Patents

Info

Publication number
FR1599018A
FR1599018A FR1599018DA FR1599018A FR 1599018 A FR1599018 A FR 1599018A FR 1599018D A FR1599018D A FR 1599018DA FR 1599018 A FR1599018 A FR 1599018A
Authority
FR
France
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.)
Expired
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1599018A publication Critical patent/FR1599018A/fr
Expired legal-status Critical Current

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
    • B43L1/12—Repeatedly-usable boards or tablets for writing or drawing having translucent writing surfaces producing visual impressions by co-operation with backing members
FR1599018D 1967-11-17 1968-10-30 Expired FR1599018A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE50964 1967-11-17
BE55504 1968-03-07

Publications (1)

Publication Number Publication Date
FR1599018A true FR1599018A (en) 1970-07-15

Family

ID=25647362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1599018D Expired FR1599018A (en) 1967-11-17 1968-10-30

Country Status (2)

Country Link
CH (1) CH486998A (en)
FR (1) FR1599018A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60257295A (en) * 1984-06-04 1985-12-19 沖電気工業株式会社 Electronic blackboard device

Also Published As

Publication number Publication date
CH486998A (en) 1970-03-15

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Legal Events

Date Code Title Description
ST Notification of lapse