ES2003340A6 - Apparatus to clean blackboard erasers on which writes with chalk, and to keep them adequately (Machine-translation by Google Translate, not legally binding) - Google Patents

Apparatus to clean blackboard erasers on which writes with chalk, and to keep them adequately (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES2003340A6
ES2003340A6 ES8601340A ES8601340A ES2003340A6 ES 2003340 A6 ES2003340 A6 ES 2003340A6 ES 8601340 A ES8601340 A ES 8601340A ES 8601340 A ES8601340 A ES 8601340A ES 2003340 A6 ES2003340 A6 ES 2003340A6
Authority
ES
Spain
Prior art keywords
chalk
writes
translation
keep
machine
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
ES8601340A
Other languages
Spanish (es)
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 Individual filed Critical Individual
Priority to ES8601340A priority Critical patent/ES2003340A6/en
Publication of ES2003340A6 publication Critical patent/ES2003340A6/en
Expired legal-status Critical Current

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  • Drawing Aids And Blackboards (AREA)

Abstract

Apparatus for cleaning drafts slate on that writes with chalk and keep them properly, comprising a vertical ortoedrico body for size to erasers, a top cover abatible, a recess frontal vertical, a dust chalk, detachable, attached to the bottom base body and in the interior of this, a plurality of elements separation of dust chalk incorporated propeller horizontally mounted on the inner surface of the bottom face, against which the functional part fibrous apply erasers cleaned. Applicable to drafts of writing with chalk. (Machine-translation by Google Translate, not legally binding)
ES8601340A 1986-07-25 1986-07-25 Apparatus to clean blackboard erasers on which writes with chalk, and to keep them adequately (Machine-translation by Google Translate, not legally binding) Expired ES2003340A6 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES8601340A ES2003340A6 (en) 1986-07-25 1986-07-25 Apparatus to clean blackboard erasers on which writes with chalk, and to keep them adequately (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES8601340A ES2003340A6 (en) 1986-07-25 1986-07-25 Apparatus to clean blackboard erasers on which writes with chalk, and to keep them adequately (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES2003340A6 true ES2003340A6 (en) 1988-11-01

Family

ID=8247934

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8601340A Expired ES2003340A6 (en) 1986-07-25 1986-07-25 Apparatus to clean blackboard erasers on which writes with chalk, and to keep them adequately (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES2003340A6 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110561955A (en) * 2019-09-09 2019-12-13 淄博职业学院 Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110561955A (en) * 2019-09-09 2019-12-13 淄博职业学院 Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20040401