CA15454A - Perfectionnement des porte craie - Google Patents

Perfectionnement des porte craie

Info

Publication number: CA15454A
Authority: CA; Canada
Prior art keywords: chalk; holders; improvement
Prior art date: 1882-09-12
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

CA000015454A

Other languages

English (en)

Inventor

Ayell N. Rouech

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

Publication date

1882-09-12

1882-09-12 Application granted granted Critical

1882-09-12 Publication of CA15454A publication Critical patent/CA15454A/fr

Status Expired legal-status Critical Current

Links

CA000015454A Perfectionnement des porte craie Expired CA15454A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA15454T

Publications (1)

Publication Number	Publication Date
CA15454A true CA15454A (fr)	1882-09-12

Family

ID=45131997

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000015454A Expired CA15454A (fr)			Perfectionnement des porte craie

Country Status (1)

Country	Link
CA (1)	CA15454A (fr)

0
- CA CA000015454A patent/CA15454A/fr not_active Expired

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