NL230788A - - Google Patents
Info
- Publication number
- NL230788A NL230788A NL230788DA NL230788A NL 230788 A NL230788 A NL 230788A NL 230788D A NL230788D A NL 230788DA NL 230788 A NL230788 A NL 230788A
- Authority
- NL
- Netherlands
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
- B43K21/22—Writing-cores gripping means, e.g. chucks
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1202796X | 1957-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL230788A true NL230788A (zh) |
Family
ID=19871688
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL100768D NL100768C (zh) | 1957-08-23 | ||
| NL230788D NL230788A (zh) | 1957-08-23 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL100768D NL100768C (zh) | 1957-08-23 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1202796A (zh) |
| NL (2) | NL230788A (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3813176A (en) * | 1973-04-02 | 1974-05-28 | Mitsubishi Pencil Co | Ever-sharp pencil |
| US3854824A (en) * | 1973-04-03 | 1974-12-17 | Mitsubishi Pencil Co | Mechanical pencil |
| US4521126A (en) * | 1981-08-31 | 1985-06-04 | Pentel Kabushiki Kaisha | Mechanical pencil |
| US4929107A (en) * | 1987-06-12 | 1990-05-29 | Kotobuki & Co., Ltd. | Swing-type mechanical pencil |
-
0
- NL NL100768D patent/NL100768C/xx active
- NL NL230788D patent/NL230788A/xx unknown
-
1958
- 1958-09-29 FR FR1202796D patent/FR1202796A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL100768C (zh) | |
| FR1202796A (fr) | 1960-01-13 |