CA158309A - Mecanisme a forer le roc - Google Patents

Mecanisme a forer le roc

Info

Publication number: CA158309A
Authority: CA; Canada
Prior art keywords: rock drilling; drilling mechanism; rock; drilling
Prior art date: 1914-06-26
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

CA000158309A

Other languages

English (en)

Inventor

Guy Aubrey Chalkley

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.)

1914-06-26

Filing date

1914-06-26

Publication date

1914-10-13

1914-06-26 Application filed by Individual filed Critical Individual

1914-10-13 Application granted granted Critical

1914-10-13 Publication of CA158309A publication Critical patent/CA158309A/fr

Status Expired legal-status Critical Current

Links

238000005553 drilling Methods 0.000 title 1
239000011435 rock Substances 0.000 title 1

CA000158309A 1914-06-26 1914-06-26 Mecanisme a forer le roc Expired CA158309A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA158309T		1914-06-26

Publications (1)

Publication Number	Publication Date
CA158309A true CA158309A (fr)	1914-10-13

Family

ID=45278014

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000158309A Expired CA158309A (fr)	1914-06-26	1914-06-26	Mecanisme a forer le roc

Country Status (1)

Country	Link
CA (1)	CA158309A (fr)

1914
- 1914-06-26 CA CA000158309A patent/CA158309A/fr not_active Expired

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