CH173438A - Mechanical pencil. - Google Patents
Mechanical pencil.Info
- Publication number
- CH173438A CH173438A CH173438DA CH173438A CH 173438 A CH173438 A CH 173438A CH 173438D A CH173438D A CH 173438DA CH 173438 A CH173438 A CH 173438A
- Authority
- CH
- Switzerland
- Prior art keywords
- mechanical pencil
- pencil
- mechanical
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/16—Writing-core feeding mechanisms with stepwise feed of writing-cores
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH772755X | 1934-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH173438A true CH173438A (en) | 1934-11-30 |
Family
ID=4535548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH173438D CH173438A (en) | 1934-03-01 | 1934-03-01 | Mechanical pencil. |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH173438A (en) |
FR (1) | FR772755A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1087938B (en) * | 1954-07-24 | 1960-08-25 | Faber Castell A W | Mechanical pencil |
US4844639A (en) * | 1987-10-21 | 1989-07-04 | Chao Wen Kwei | Push-type writing instrument |
-
1934
- 1934-03-01 CH CH173438D patent/CH173438A/en unknown
- 1934-05-02 FR FR772755D patent/FR772755A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR772755A (en) | 1934-11-06 |
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