FR708661A - Crayon à mine progressive - Google Patents
Crayon à mine progressiveInfo
- Publication number
- FR708661A FR708661A FR708661DA FR708661A FR 708661 A FR708661 A FR 708661A FR 708661D A FR708661D A FR 708661DA FR 708661 A FR708661 A FR 708661A
- Authority
- FR
- France
- Prior art keywords
- lead pencil
- progressive
- progressive lead
- pencil
- lead
- 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
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
- B43K21/08—Writing-core feeding mechanisms with the writing-cores fed by screws
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1613530A GB355687A (en) | 1930-05-26 | 1930-05-26 | A propelling pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR708661A true FR708661A (fr) | 1931-07-27 |
Family
ID=10071807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR708661D Expired FR708661A (fr) | 1930-05-26 | 1930-12-31 | Crayon à mine progressive |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE376207A (fr) |
| FR (1) | FR708661A (fr) |
| GB (1) | GB355687A (fr) |
| NL (1) | NL27947C (fr) |
-
0
- BE BE376207D patent/BE376207A/xx unknown
- NL NL27947D patent/NL27947C/xx active
-
1930
- 1930-05-26 GB GB1613530A patent/GB355687A/en not_active Expired
- 1930-12-31 FR FR708661D patent/FR708661A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL27947C (fr) | |
| BE376207A (fr) | |
| GB355687A (en) | 1931-08-26 |
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