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NO177439C - Insert for use in drill bits - Google Patents

Insert for use in drill bits

Info

Publication number
NO177439C
NO177439C NO921800A NO921800A NO177439C NO 177439 C NO177439 C NO 177439C NO 921800 A NO921800 A NO 921800A NO 921800 A NO921800 A NO 921800A NO 177439 C NO177439 C NO 177439C
Authority
NO
Norway
Prior art keywords
insert
drill bits
drill
bits
Prior art date
Application number
NO921800A
Other languages
Norwegian (no)
Other versions
NO177439B (en
NO921800D0 (en
NO921800L (en
Inventor
Mahlon D Dennis
Original Assignee
Strata Bit Corp
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 US06/657,535 external-priority patent/US4592433A/en
Publication of NO921800L publication Critical patent/NO921800L/en
Application filed by Strata Bit Corp filed Critical Strata Bit Corp
Priority to NO921800A priority Critical patent/NO177439C/en
Publication of NO921800D0 publication Critical patent/NO921800D0/en
Publication of NO177439B publication Critical patent/NO177439B/en
Publication of NO177439C publication Critical patent/NO177439C/en

Links

NO921800A 1984-10-04 1992-05-06 Insert for use in drill bits NO177439C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO921800A NO177439C (en) 1984-10-04 1992-05-06 Insert for use in drill bits

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/657,535 US4592433A (en) 1984-10-04 1984-10-04 Cutting blank with diamond strips in grooves
NO853925A NO170993C (en) 1984-10-04 1985-10-03 SKRAPEBORKRONE
NO921800A NO177439C (en) 1984-10-04 1992-05-06 Insert for use in drill bits

Publications (4)

Publication Number Publication Date
NO921800L NO921800L (en) 1986-04-07
NO921800D0 NO921800D0 (en) 1992-05-06
NO177439B NO177439B (en) 1995-06-06
NO177439C true NO177439C (en) 1995-09-13

Family

ID=27352946

Family Applications (1)

Application Number Title Priority Date Filing Date
NO921800A NO177439C (en) 1984-10-04 1992-05-06 Insert for use in drill bits

Country Status (1)

Country Link
NO (1) NO177439C (en)

Also Published As

Publication number Publication date
NO177439B (en) 1995-06-06
NO921800D0 (en) 1992-05-06
NO921800L (en) 1986-04-07

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN APRIL 2003