GB189615424A - Improvements in Portable Blackboards. - Google Patents

Improvements in Portable Blackboards.

Info

Publication number
GB189615424A
GB189615424A GB189615424DA GB189615424A GB 189615424 A GB189615424 A GB 189615424A GB 189615424D A GB189615424D A GB 189615424DA GB 189615424 A GB189615424 A GB 189615424A
Authority
GB
United Kingdom
Prior art keywords
blackboards
portable
portable 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
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.)
COMPARATIVE SYNOPTICAL CHART C
Original Assignee
COMPARATIVE SYNOPTICAL CHART C
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 COMPARATIVE SYNOPTICAL CHART C filed Critical COMPARATIVE SYNOPTICAL CHART C
Application granted granted Critical
Publication of GB189615424A publication Critical patent/GB189615424A/en
Expired legal-status Critical Current

Links

GB189615424D 1896-07-11 1896-07-11 Improvements in Portable Blackboards. Expired GB189615424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189615424T 1896-07-11

Publications (1)

Publication Number Publication Date
GB189615424A true GB189615424A (en) 1897-05-01

Family

ID=32534342

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189615424D Expired GB189615424A (en) 1896-07-11 1896-07-11 Improvements in Portable Blackboards.

Country Status (1)

Country Link
GB (1) GB189615424A (en)

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