FR578112A - Self-erasing slate - Google Patents

Self-erasing slate

Info

Publication number
FR578112A
FR578112A FR578112DA FR578112A FR 578112 A FR578112 A FR 578112A FR 578112D A FR578112D A FR 578112DA FR 578112 A FR578112 A FR 578112A
Authority
FR
France
Prior art keywords
slate
erasing
self
erasing slate
Prior art date
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)
Inventor
Fritz-Felix-Emile Pages
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 FR578112A publication Critical patent/FR578112A/en
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
    • B43L1/123—Flexible writing surface or backing
    • B43L1/126—Flexible writing surface or backing withinterposed adhesive substances
FR578112D 1924-03-06 1924-03-06 Self-erasing slate Expired FR578112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR578112T 1924-03-06

Publications (1)

Publication Number Publication Date
FR578112A true FR578112A (en) 1924-09-18

Family

ID=8955175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR578112D Expired FR578112A (en) 1924-03-06 1924-03-06 Self-erasing slate

Country Status (1)

Country Link
FR (1) FR578112A (en)

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