FR486348A - Covered slates perfected for drawing or writing - Google Patents

Covered slates perfected for drawing or writing

Info

Publication number
FR486348A
FR486348A FR486348DA FR486348A FR 486348 A FR486348 A FR 486348A FR 486348D A FR486348D A FR 486348DA FR 486348 A FR486348 A FR 486348A
Authority
FR
France
Prior art keywords
slates
perfected
writing
covered
slates perfected
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
Robert Robertson
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 FR486348A publication Critical patent/FR486348A/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
    • B43L1/02—Slates
FR486348D 1917-05-19 1917-08-02 Covered slates perfected for drawing or writing Expired FR486348A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB725217A GB112374A (en) 1917-05-19 1917-05-19 Covered Writing or Drawing Slates.

Publications (1)

Publication Number Publication Date
FR486348A true FR486348A (en) 1918-03-22

Family

ID=32246433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR486348D Expired FR486348A (en) 1917-05-19 1917-08-02 Covered slates perfected for drawing or writing

Country Status (2)

Country Link
FR (1) FR486348A (en)
GB (1) GB112374A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881538A (en) * 1957-01-11 1959-04-14 William F Lewis Combined chalk board and bulletin board
US4968258A (en) * 1989-09-01 1990-11-06 Kees Max O Reusable learning aid
US5599189A (en) * 1995-09-07 1997-02-04 Kees; Max O. Reusable learning aid

Also Published As

Publication number Publication date
GB112374A (en) 1918-01-10

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