CA674400A - Combination drill bit - Google Patents

Combination drill bit

Info

Publication number
CA674400A
CA674400A CA674400A CA674400DA CA674400A CA 674400 A CA674400 A CA 674400A CA 674400 A CA674400 A CA 674400A CA 674400D A CA674400D A CA 674400DA CA 674400 A CA674400 A CA 674400A
Authority
CA
Canada
Prior art keywords
drill bit
combination drill
combination
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
CA674400A
Inventor
B. Hildebrandt Alexander
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.)
Jersey Production Research Co
Original Assignee
Jersey Production Research Co
Publication date
Application granted granted Critical
Publication of CA674400A publication Critical patent/CA674400A/en
Expired legal-status Critical Current

Links

CA674400A Combination drill bit Expired CA674400A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA674400T

Publications (1)

Publication Number Publication Date
CA674400A true CA674400A (en) 1963-11-19

Family

ID=35974758

Family Applications (1)

Application Number Title Priority Date Filing Date
CA674400A Expired CA674400A (en) Combination drill bit

Country Status (1)

Country Link
CA (1) CA674400A (en)

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