CA839583A - Shrouded bit - Google Patents

Shrouded bit

Info

Publication number
CA839583A
CA839583A CA839583A CA839583DA CA839583A CA 839583 A CA839583 A CA 839583A CA 839583 A CA839583 A CA 839583A CA 839583D A CA839583D A CA 839583DA CA 839583 A CA839583 A CA 839583A
Authority
CA
Canada
Prior art keywords
shrouded
bit
shrouded bit
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
CA839583A
Inventor
A. Kunnemann Elmer
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
Publication date
Application granted granted Critical
Publication of CA839583A publication Critical patent/CA839583A/en
Expired legal-status Critical Current

Links

CA839583A Shrouded bit Expired CA839583A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA839583T

Publications (1)

Publication Number Publication Date
CA839583A true CA839583A (en) 1970-04-21

Family

ID=36323783

Family Applications (1)

Application Number Title Priority Date Filing Date
CA839583A Expired CA839583A (en) Shrouded bit

Country Status (1)

Country Link
CA (1) CA839583A (en)

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