CA904691A - Marking instrument - Google Patents

Marking instrument

Info

Publication number
CA904691A
CA904691A CA904691A CA904691DA CA904691A CA 904691 A CA904691 A CA 904691A CA 904691 A CA904691 A CA 904691A CA 904691D A CA904691D A CA 904691DA CA 904691 A CA904691 A CA 904691A
Authority
CA
Canada
Prior art keywords
marking instrument
marking
instrument
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
CA904691A
Inventor
N. Kolomeir Frank
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA904691A publication Critical patent/CA904691A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • C07D235/30—Nitrogen atoms not forming part of a nitro radical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K21/00—Propelling pencils
    • B43K21/003—Propelling pencils with lead sections or lead cartridges

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
CA904691A 1970-09-11 1970-09-11 Marking instrument Expired CA904691A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA92981 1970-09-11

Publications (1)

Publication Number Publication Date
CA904691A true CA904691A (en) 1972-07-11

Family

ID=4087573

Family Applications (1)

Application Number Title Priority Date Filing Date
CA904691A Expired CA904691A (en) 1970-09-11 1970-09-11 Marking instrument

Country Status (2)

Country Link
AU (1) AU3276771A (en)
CA (1) CA904691A (en)

Also Published As

Publication number Publication date
AU3276771A (en) 1973-03-01

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