KR870014704U - Multipurpose blackboard - Google Patents
Multipurpose blackboardInfo
- Publication number
- KR870014704U KR870014704U KR2019860002773U KR860002773U KR870014704U KR 870014704 U KR870014704 U KR 870014704U KR 2019860002773 U KR2019860002773 U KR 2019860002773U KR 860002773 U KR860002773 U KR 860002773U KR 870014704 U KR870014704 U KR 870014704U
- Authority
- KR
- South Korea
- Prior art keywords
- multipurpose blackboard
- blackboard
- multipurpose
- Prior art date
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
- B43L1/04—Blackboards
- B43L1/045—Blackboards with magnetic action
-
- 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
- B43L1/04—Blackboards
- B43L1/06—Blackboards rigid
-
- 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
- B43L1/04—Blackboards
- B43L1/10—Writing surfaces thereof
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860002773U KR880003329Y1 (en) | 1986-03-10 | 1986-03-10 | Blackboards for spending much |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860002773U KR880003329Y1 (en) | 1986-03-10 | 1986-03-10 | Blackboards for spending much |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870014704U true KR870014704U (en) | 1987-10-06 |
KR880003329Y1 KR880003329Y1 (en) | 1988-09-24 |
Family
ID=19249369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019860002773U KR880003329Y1 (en) | 1986-03-10 | 1986-03-10 | Blackboards for spending much |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR880003329Y1 (en) |
-
1986
- 1986-03-10 KR KR2019860002773U patent/KR880003329Y1/en active Pre-grant Review Request
Also Published As
Publication number | Publication date |
---|---|
KR880003329Y1 (en) | 1988-09-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
O032 | Opposition [utility model]: request for opposition | ||
J2X1 | Appeal (before the patent court) |
Free format text: TRIAL NUMBER: 1989201000720; APPEAL AGAINST DECISION TO DECLINE REFUSAL Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |