CA304311A - Drilling tool and detachable bit - Google Patents

Drilling tool and detachable bit

Info

Publication number
CA304311A
CA304311A CA304311A CA304311DA CA304311A CA 304311 A CA304311 A CA 304311A CA 304311 A CA304311 A CA 304311A CA 304311D A CA304311D A CA 304311DA CA 304311 A CA304311 A CA 304311A
Authority
CA
Canada
Prior art keywords
drilling tool
detachable bit
detachable
bit
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
CA304311A
Other languages
French (fr)
Inventor
S. Mccullough Elzadore
B. Smith Asa
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 CA304311A publication Critical patent/CA304311A/en
Expired legal-status Critical Current

Links

CA304311A Drilling tool and detachable bit Expired CA304311A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA304311T

Publications (1)

Publication Number Publication Date
CA304311A true CA304311A (en) 1930-09-30

Family

ID=35257457

Family Applications (1)

Application Number Title Priority Date Filing Date
CA304311A Expired CA304311A (en) Drilling tool and detachable bit

Country Status (1)

Country Link
CA (1) CA304311A (en)

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