CA21405A - Foret de mine - Google Patents

Foret de mine

Info

Publication number: CA21405A
Authority: CA; Canada
Prior art keywords: rock drill; drill; rock
Prior art date: 1885-04-13
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

CA000021405A

Other languages

English (en)

Inventor

Sylvanus Hussey

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

1885-04-13

1885-04-13 Application granted granted Critical

1885-04-13 Publication of CA21405A publication Critical patent/CA21405A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA000021405A Foret de mine Expired CA21405A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA21405T

Publications (1)

Publication Number	Publication Date
CA21405A true CA21405A (fr)	1885-04-13

Family

ID=45137948

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000021405A Expired CA21405A (fr)			Foret de mine

Country Status (1)

Country	Link
CA (1)	CA21405A (fr)

0
- CA CA000021405A patent/CA21405A/fr not_active Expired

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