CA459618A - Detachable drilling bit - Google Patents

Detachable drilling bit

Info

Publication number
CA459618A
CA459618A CA459618A CA459618DA CA459618A CA 459618 A CA459618 A CA 459618A CA 459618 A CA459618 A CA 459618A CA 459618D A CA459618D A CA 459618DA CA 459618 A CA459618 A CA 459618A
Authority
CA
Canada
Prior art keywords
drilling bit
detachable drilling
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
CA459618A
Other languages
French (fr)
Inventor
Manville Waterland Tilmer
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 CA459618A publication Critical patent/CA459618A/en
Expired legal-status Critical Current

Links

CA459618A Detachable drilling bit Expired CA459618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA459618T

Publications (1)

Publication Number Publication Date
CA459618A true CA459618A (en) 1949-09-13

Family

ID=35578487

Family Applications (1)

Application Number Title Priority Date Filing Date
CA459618A Expired CA459618A (en) Detachable drilling bit

Country Status (1)

Country Link
CA (1) CA459618A (en)

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