CA88261A - Mecanisme de foret a roche - Google Patents

Mecanisme de foret a roche

Info

Publication number: CA88261A
Authority: CA; Canada
Prior art keywords: drilll; rock; machine; rock drilll; drilll machine
Prior art date: 1904-04-13
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

CA000088261A

Other languages

English (en)

Inventor

John George Leyner

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.)

1904-04-13

Filing date

1904-04-13

Publication date

1904-07-12

1904-04-13 Application filed by Individual filed Critical Individual

1904-07-12 Application granted granted Critical

1904-07-12 Publication of CA88261A publication Critical patent/CA88261A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA000088261A 1904-04-13 1904-04-13 Mecanisme de foret a roche Expired CA88261A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA88261T		1904-04-13

Publications (1)

Publication Number	Publication Date
CA88261A true CA88261A (fr)	1904-07-12

Family

ID=45204796

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000088261A Expired CA88261A (fr)	1904-04-13	1904-04-13	Mecanisme de foret a roche

Country Status (1)

Country	Link
CA (1)	CA88261A (fr)

1904
- 1904-04-13 CA CA000088261A patent/CA88261A/fr not_active Expired

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