FR792643A - Porte-mines à mines interchangeables - Google Patents

Porte-mines à mines interchangeables

Info

Publication number
FR792643A
FR792643A FR792643DA FR792643A FR 792643 A FR792643 A FR 792643A FR 792643D A FR792643D A FR 792643DA FR 792643 A FR792643 A FR 792643A
Authority
FR
France
Prior art keywords
mechanical pencils
interchangeable
leads
interchangeable leads
pencils
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
English (en)
French (fr)
Inventor
Albert Hirth
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 FR792643A publication Critical patent/FR792643A/fr
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
    • B43K24/12—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operating by means sliding in longitudinally-slotted casings
FR792643D 1935-05-21 1935-07-18 Porte-mines à mines interchangeables Expired FR792643A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH442721X 1935-05-21

Publications (1)

Publication Number Publication Date
FR792643A true FR792643A (fr) 1936-01-07

Family

ID=4515247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR792643D Expired FR792643A (fr) 1935-05-21 1935-07-18 Porte-mines à mines interchangeables

Country Status (3)

Country Link
DE (1) DE656184C (de)
FR (1) FR792643A (de)
GB (1) GB442721A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970395C (de) * 1951-09-02 1958-09-18 Bernhard Naegele Jun Wechselschreibstift mit durch Verschiebung einer Ausloesehuelse aus der Schreibstellung ausrastbaren Minentraegern

Also Published As

Publication number Publication date
DE656184C (de) 1938-01-31
GB442721A (en) 1936-02-13

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