AU620945B2 - Improved drill bit sharpener - Google Patents

Improved drill bit sharpener

Info

Publication number
AU620945B2
AU620945B2 AU45598/89A AU4559889A AU620945B2 AU 620945 B2 AU620945 B2 AU 620945B2 AU 45598/89 A AU45598/89 A AU 45598/89A AU 4559889 A AU4559889 A AU 4559889A AU 620945 B2 AU620945 B2 AU 620945B2
Authority
AU
Australia
Prior art keywords
drill bit
improved drill
bit sharpener
sharpener
improved
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.)
Ceased
Application number
AU45598/89A
Other versions
AU4559889A (en
Inventor
David N. Lockwood
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US07/286,621 external-priority patent/US4916867A/en
Application filed by Individual filed Critical Individual
Publication of AU4559889A publication Critical patent/AU4559889A/en
Application granted granted Critical
Publication of AU620945B2 publication Critical patent/AU620945B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU45598/89A 1988-12-19 1989-11-28 Improved drill bit sharpener Ceased AU620945B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US286621 1988-12-19
US07/286,621 US4916867A (en) 1988-12-19 1988-12-19 Drill bit sharpener
CA601703 1989-06-05
CA000601703A CA1279485C (en) 1988-12-19 1989-06-05 Drill bit sharpener

Publications (2)

Publication Number Publication Date
AU4559889A AU4559889A (en) 1990-06-21
AU620945B2 true AU620945B2 (en) 1992-02-27

Family

ID=25672783

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45598/89A Ceased AU620945B2 (en) 1988-12-19 1989-11-28 Improved drill bit sharpener

Country Status (1)

Country Link
AU (1) AU620945B2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU125935B2 (en) * 1945-09-01 1947-11-13 Republic Aviation Corporation Photomechanical negative
AU8969382A (en) * 1981-10-30 1983-05-05 Etm - Engineers' Tool Manufacturing Company Limited Drill point grinding
AU585166B2 (en) * 1986-08-09 1989-06-08 Karl Reiling Fixture for holding a hole-cutting tool having cutting edges to be ground

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU125935B2 (en) * 1945-09-01 1947-11-13 Republic Aviation Corporation Photomechanical negative
AU8969382A (en) * 1981-10-30 1983-05-05 Etm - Engineers' Tool Manufacturing Company Limited Drill point grinding
AU585166B2 (en) * 1986-08-09 1989-06-08 Karl Reiling Fixture for holding a hole-cutting tool having cutting edges to be ground

Also Published As

Publication number Publication date
AU4559889A (en) 1990-06-21

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