FR1184699A - Device for erasing blackboards with absorption of chalk dust - Google Patents

Device for erasing blackboards with absorption of chalk dust

Info

Publication number
FR1184699A
FR1184699A FR1184699DA FR1184699A FR 1184699 A FR1184699 A FR 1184699A FR 1184699D A FR1184699D A FR 1184699DA FR 1184699 A FR1184699 A FR 1184699A
Authority
FR
France
Prior art keywords
absorption
chalk dust
blackboards
erasing
erasing blackboards
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
Marcel-Rene-Maxime Clement
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 FR1184699A publication Critical patent/FR1184699A/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
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
FR1184699D 1957-09-13 1957-09-13 Device for erasing blackboards with absorption of chalk dust Expired FR1184699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1184699T 1957-09-13

Publications (1)

Publication Number Publication Date
FR1184699A true FR1184699A (en) 1959-07-24

Family

ID=9663588

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1184699D Expired FR1184699A (en) 1957-09-13 1957-09-13 Device for erasing blackboards with absorption of chalk dust

Country Status (1)

Country Link
FR (1) FR1184699A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490155A1 (en) * 1980-09-12 1982-03-19 Nakano Bussan Co Ltd WIPING DEVICE OF A TABLE
FR2573699A1 (en) * 1984-11-28 1986-05-30 Lobez Sagues Manuel Device for erasing writing from blackboards
EP1479530A1 (en) * 2003-04-23 2004-11-24 Chen-Lang Fan Wireless blackboarder eraser and dust collector
SG116491A1 (en) * 2003-04-24 2005-11-28 Fan Chen Lang Wireless blackboard eraser and dust collector.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490155A1 (en) * 1980-09-12 1982-03-19 Nakano Bussan Co Ltd WIPING DEVICE OF A TABLE
FR2573699A1 (en) * 1984-11-28 1986-05-30 Lobez Sagues Manuel Device for erasing writing from blackboards
EP1479530A1 (en) * 2003-04-23 2004-11-24 Chen-Lang Fan Wireless blackboarder eraser and dust collector
SG116491A1 (en) * 2003-04-24 2005-11-28 Fan Chen Lang Wireless blackboard eraser and dust collector.

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