CA70008A - Machine a percer - Google Patents

Machine a percer

Info

Publication number: CA70008A
Authority: CA; Canada
Prior art keywords: drilling machine; rock drilling; rock; machine; drilling
Prior art date: 1900-12-12
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

CA000070008A

Other languages

English (en)

Inventor

Robert Lunnan Ambrose

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.)

RAND DRILL Co

Original Assignee

RAND DRILL Co

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.)

1900-12-12

Filing date

1900-12-12

Publication date

1901-01-29

1900-12-12 Application filed by RAND DRILL Co filed Critical RAND DRILL Co

1901-01-29 Application granted granted Critical

1901-01-29 Publication of CA70008A publication Critical patent/CA70008A/fr

Status Expired legal-status Critical Current

Links

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

CA000070008A 1900-12-12 1900-12-12 Machine a percer Expired CA70008A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA70008T		1900-12-12

Publications (1)

Publication Number	Publication Date
CA70008A true CA70008A (fr)	1901-01-29

Family

ID=45186545

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000070008A Expired CA70008A (fr)	1900-12-12	1900-12-12	Machine a percer

Country Status (1)

Country	Link
CA (1)	CA70008A (fr)

1900
- 1900-12-12 CA CA000070008A patent/CA70008A/fr not_active Expired

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