CA163962A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA163962A
CA163962A CA000163962A CA163962DA CA163962A CA 163962 A CA163962 A CA 163962A CA 000163962 A CA000163962 A CA 000163962A CA 163962D A CA163962D A CA 163962DA CA 163962 A CA163962 A CA 163962A
Authority
CA
Canada
Prior art keywords
rock drill
drill
rock
Prior art date
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
CA000163962A
Other languages
French (fr)
Inventor
James Miners Holman
John Leonard Holman
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA163962A publication Critical patent/CA163962A/en
Expired legal-status Critical Current

Links

CA000163962A 1914-11-19 1914-11-19 Rock drill Expired CA163962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA163962T 1914-11-19

Publications (1)

Publication Number Publication Date
CA163962A true CA163962A (en) 1915-07-27

Family

ID=45283644

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000163962A Expired CA163962A (en) 1914-11-19 1914-11-19 Rock drill

Country Status (1)

Country Link
CA (1) CA163962A (en)

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