BE394600A - - Google Patents

Info

Publication number: BE394600A
Authority: BE; Belgium

Application number

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.)

1930-11-25

Publication of BE394600A publication Critical patent/BE394600A/xx

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

BE394600D 1930-11-25 BE394600A (US06486227-20021126-C00005.png)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE566128T		1930-11-25

Publications (1)

Publication Number	Publication Date
BE394600A true BE394600A (US06486227-20021126-C00005.png)

Family

ID=6567480

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE394600D BE394600A (US06486227-20021126-C00005.png)	1930-11-25

Country Status (2)

Country	Link
BE (1)	BE394600A (US06486227-20021126-C00005.png)
DE (1)	DE566128C (US06486227-20021126-C00005.png)

0
- BE BE394600D patent/BE394600A/xx unknown
1930
- 1930-11-25 DE DE1930566128D patent/DE566128C/de not_active Expired

Also Published As

Publication number	Publication date
DE566128C (de)	1932-12-14

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