BE478314A - - Google Patents
Info
- Publication number
- BE478314A BE478314A BE478314DA BE478314A BE 478314 A BE478314 A BE 478314A BE 478314D A BE478314D A BE 478314DA BE 478314 A BE478314 A BE 478314A
- Authority
- BE
- Belgium
- Prior art keywords
- spring
- mechanical pencil
- mine
- ring
- lead
- Prior art date
Links
- 230000003042 antagnostic effect Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE478314T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE478314A true BE478314A (en, 2012) |
Family
ID=3870301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE478314D BE478314A (en, 2012) |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE478314A (en, 2012) |
| FR (1) | FR955824A (en, 2012) |
-
0
- BE BE478314D patent/BE478314A/fr unknown
- FR FR955824D patent/FR955824A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR955824A (en, 2012) | 1950-01-20 |
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