CA658147A - Drill-bit - Google Patents

Drill-bit

Info

Publication number
CA658147A
CA658147A CA658147A CA658147DA CA658147A CA 658147 A CA658147 A CA 658147A CA 658147 A CA658147 A CA 658147A CA 658147D A CA658147D A CA 658147DA CA 658147 A CA658147 A CA 658147A
Authority
CA
Canada
Prior art keywords
drill
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
CA658147A
Inventor
George Freeman
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.)
Orica Ltd
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA658147A publication Critical patent/CA658147A/en
Expired legal-status Critical Current

Links

CA658147A Drill-bit Expired CA658147A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA658147T

Publications (1)

Publication Number Publication Date
CA658147A true CA658147A (en) 1963-02-19

Family

ID=35951492

Family Applications (1)

Application Number Title Priority Date Filing Date
CA658147A Expired CA658147A (en) Drill-bit

Country Status (1)

Country Link
CA (1) CA658147A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360025A (en) * 1965-09-14 1967-12-26 Sr John Gallo Double edge hole saw and mandrel
US3389415A (en) * 1966-04-13 1968-06-25 August J. Heisler Jr. Chip removing tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3360025A (en) * 1965-09-14 1967-12-26 Sr John Gallo Double edge hole saw and mandrel
US3389415A (en) * 1966-04-13 1968-06-25 August J. Heisler Jr. Chip removing tool

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