CA358649A - Rotary drilling bit - Google Patents

Rotary drilling bit

Info

Publication number
CA358649A
CA358649A CA358649A CA358649DA CA358649A CA 358649 A CA358649 A CA 358649A CA 358649 A CA358649 A CA 358649A CA 358649D A CA358649D A CA 358649DA CA 358649 A CA358649 A CA 358649A
Authority
CA
Canada
Prior art keywords
rotary drilling
drilling bit
bit
rotary
drilling
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
CA358649A
Other languages
French (fr)
Inventor
John Mitchell William
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.)
Chicago Pneumatic Tool Co LLC
Original Assignee
Chicago Pneumatic Tool Co LLC
Publication date
Application granted granted Critical
Publication of CA358649A publication Critical patent/CA358649A/en
Expired legal-status Critical Current

Links

CA358649A Rotary drilling bit Expired CA358649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA358649T

Publications (1)

Publication Number Publication Date
CA358649A true CA358649A (en) 1936-06-23

Family

ID=35357989

Family Applications (1)

Application Number Title Priority Date Filing Date
CA358649A Expired CA358649A (en) Rotary drilling bit

Country Status (1)

Country Link
CA (1) CA358649A (en)

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