CA140582A - Diapositif d'instruction - Google Patents

Diapositif d'instruction

Info

Publication number: CA140582A
Authority: CA; Canada
Prior art keywords: educational device; educational
Prior art date: 1912-01-16
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

CA000140582A

Other languages

English (en)

Inventor

George R. Edmonds

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.)

1912-01-16

Filing date

1912-01-16

Publication date

1912-05-21

1912-01-16 Application filed by Individual filed Critical Individual

1912-05-21 Application granted granted Critical

1912-05-21 Publication of CA140582A publication Critical patent/CA140582A/fr

Status Expired legal-status Critical Current

Links

CA000140582A 1912-01-16 1912-01-16 Diapositif d'instruction Expired CA140582A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA140582T		1912-01-16

Publications (1)

Publication Number	Publication Date
CA140582A true CA140582A (fr)	1912-05-21

Family

ID=45260298

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000140582A Expired CA140582A (fr)	1912-01-16	1912-01-16	Diapositif d'instruction

Country Status (1)

Country	Link
CA (1)	CA140582A (fr)

1912
- 1912-01-16 CA CA000140582A patent/CA140582A/fr not_active Expired

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