JP2503221Y2 - 黒 板 - Google Patents

黒 板

Info

Publication number
JP2503221Y2
JP2503221Y2 JP1989150227U JP15022789U JP2503221Y2 JP 2503221 Y2 JP2503221 Y2 JP 2503221Y2 JP 1989150227 U JP1989150227 U JP 1989150227U JP 15022789 U JP15022789 U JP 15022789U JP 2503221 Y2 JP2503221 Y2 JP 2503221Y2
Authority
JP
Japan
Prior art keywords
saucer
blackboard
pan
container
end cover
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 - Lifetime
Application number
JP1989150227U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0390994U (en, 2012
Inventor
亨 清水
守 田中
正明 田口
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.)
Aoi Blackboard Manufacturingco Ltd
Kokuyo Co Ltd
Original Assignee
Aoi Blackboard Manufacturingco Ltd
Kokuyo Co Ltd
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 Aoi Blackboard Manufacturingco Ltd, Kokuyo Co Ltd filed Critical Aoi Blackboard Manufacturingco Ltd
Priority to JP1989150227U priority Critical patent/JP2503221Y2/ja
Publication of JPH0390994U publication Critical patent/JPH0390994U/ja
Application granted granted Critical
Publication of JP2503221Y2 publication Critical patent/JP2503221Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP1989150227U 1989-12-28 1989-12-28 黒 板 Expired - Lifetime JP2503221Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989150227U JP2503221Y2 (ja) 1989-12-28 1989-12-28 黒 板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989150227U JP2503221Y2 (ja) 1989-12-28 1989-12-28 黒 板

Publications (2)

Publication Number Publication Date
JPH0390994U JPH0390994U (en, 2012) 1991-09-17
JP2503221Y2 true JP2503221Y2 (ja) 1996-06-26

Family

ID=31696587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989150227U Expired - Lifetime JP2503221Y2 (ja) 1989-12-28 1989-12-28 黒 板

Country Status (1)

Country Link
JP (1) JP2503221Y2 (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9162516B2 (en) 2013-03-07 2015-10-20 ACCO Brands Corporation Display board assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60164083U (ja) * 1984-04-09 1985-10-31 加藤　正一 黒板粉受け溝の清掃が出来る白墨箱
JPS60178189U (ja) * 1984-05-02 1985-11-26 森　幸男 黒板のチヨ−ク粉清掃装置

Also Published As

Publication number Publication date
JPH0390994U (en, 2012) 1991-09-17

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term