FR59263E - Automatic two-color ballpoint pen - Google Patents

Automatic two-color ballpoint pen

Info

Publication number
FR59263E
FR59263E FR59263DA FR59263E FR 59263 E FR59263 E FR 59263E FR 59263D A FR59263D A FR 59263DA FR 59263 E FR59263 E FR 59263E
Authority
FR
France
Prior art keywords
automatic
ballpoint pen
color ballpoint
color
pen
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
Other languages
French (fr)
Inventor
Marcel-Adrien Dubois
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 filed Critical
Application granted granted Critical
Publication of FR59263E publication Critical patent/FR59263E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B43K24/14—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by turning means
FR59263D 1949-03-11 1949-03-11 Automatic two-color ballpoint pen Expired FR59263E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR59263T 1949-03-11

Publications (1)

Publication Number Publication Date
FR59263E true FR59263E (en) 1954-05-24

Family

ID=8693103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR59263D Expired FR59263E (en) 1949-03-11 1949-03-11 Automatic two-color ballpoint pen

Country Status (1)

Country Link
FR (1) FR59263E (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266465A (en) * 1963-10-07 1966-08-16 Chromatic Corp Writing instrument
US4692046A (en) * 1986-03-20 1987-09-08 Lan Charng Ching Pen with selective multi-color cores
US4948285A (en) * 1987-12-24 1990-08-14 Ludwig Schleif Ball point pen with two cartridges

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3266465A (en) * 1963-10-07 1966-08-16 Chromatic Corp Writing instrument
US4692046A (en) * 1986-03-20 1987-09-08 Lan Charng Ching Pen with selective multi-color cores
US4948285A (en) * 1987-12-24 1990-08-14 Ludwig Schleif Ball point pen with two cartridges

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