CA144273A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA144273A
CA144273A CA000144273A CA144273DA CA144273A CA 144273 A CA144273 A CA 144273A CA 000144273 A CA000144273 A CA 000144273A CA 144273D A CA144273D A CA 144273DA CA 144273 A CA144273 A CA 144273A
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
CA000144273A
Other languages
French (fr)
Inventor
William L. Brookins
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.)
NIMNICK JOHN
NIMNICK MAGGIE
Original Assignee
NIMNICK JOHN
NIMNICK MAGGIE
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 NIMNICK JOHN, NIMNICK MAGGIE filed Critical NIMNICK JOHN
Application granted granted Critical
Publication of CA144273A publication Critical patent/CA144273A/en
Expired legal-status Critical Current

Links

CA000144273A 1912-10-07 1912-10-07 Rock drill Expired CA144273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA144273T 1912-10-07

Publications (1)

Publication Number Publication Date
CA144273A true CA144273A (en) 1912-11-26

Family

ID=45263988

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000144273A Expired CA144273A (en) 1912-10-07 1912-10-07 Rock drill

Country Status (1)

Country Link
CA (1) CA144273A (en)

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