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CA417887A - Diamond drill bit - Google Patents
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CA417887A - Diamond drill bit - Google Patents

Diamond drill bit

Info

Publication number
CA417887A
CA417887A CA417887A CA417887DA CA417887A CA 417887 A CA417887 A CA 417887A CA 417887 A CA417887 A CA 417887A CA 417887D A CA417887D A CA 417887DA CA 417887 A CA417887 A CA 417887A
Authority
CA
Canada
Prior art keywords
drill bit
diamond drill
diamond
bit
drill
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
CA417887A
Other languages
French (fr)
Inventor
D. Macfarlane John
Donahue Leo
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
Application granted granted Critical
Publication of CA417887A publication Critical patent/CA417887A/en
Expired legal-status Critical Current

Links

CA417887A Diamond drill bit Expired CA417887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA417887T

Publications (1)

Publication Number Publication Date
CA417887A true CA417887A (en) 1944-01-18

Family

ID=35527142

Family Applications (1)

Application Number Title Priority Date Filing Date
CA417887A Expired CA417887A (en) Diamond drill bit

Country Status (1)

Country Link
CA (1) CA417887A (en)

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