FR475618A - Process for the production of writing boards - Google Patents

Process for the production of writing boards

Info

Publication number
FR475618A
FR475618A FR475618DA FR475618A FR 475618 A FR475618 A FR 475618A FR 475618D A FR475618D A FR 475618DA FR 475618 A FR475618 A FR 475618A
Authority
FR
France
Prior art keywords
production
writing boards
boards
writing
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
Other languages
French (fr)
Inventor
Ernst Eduard Wyssen
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
Application granted granted Critical
Publication of FR475618A publication Critical patent/FR475618A/en
Expired legal-status Critical Current

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
FR475618D 1913-09-10 1914-07-24 Process for the production of writing boards Expired FR475618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH475618X 1913-09-10

Publications (1)

Publication Number Publication Date
FR475618A true FR475618A (en) 1915-06-01

Family

ID=1513490

Family Applications (1)

Application Number Title Priority Date Filing Date
FR475618D Expired FR475618A (en) 1913-09-10 1914-07-24 Process for the production of writing boards

Country Status (1)

Country Link
FR (1) FR475618A (en)

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