GB489881A - Improvements in mechanical pencils - Google Patents
Improvements in mechanical pencilsInfo
- Publication number
- GB489881A GB489881A GB11168/37A GB1116837A GB489881A GB 489881 A GB489881 A GB 489881A GB 11168/37 A GB11168/37 A GB 11168/37A GB 1116837 A GB1116837 A GB 1116837A GB 489881 A GB489881 A GB 489881A
- Authority
- GB
- United Kingdom
- Prior art keywords
- clutch
- shoulder
- jaws
- barrel
- leads
- 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
- 229920002160 Celluloid Polymers 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 230000002441 reversible effect Effects 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 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 |
|---|---|---|---|
| US489881XA | 1936-06-18 | 1936-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB489881A true GB489881A (en) | 1938-08-05 |
Family
ID=21957493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11168/37A Expired GB489881A (en) | 1936-06-18 | 1937-04-19 | Improvements in mechanical pencils |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE417230A (enrdf_load_stackoverflow) |
| FR (1) | FR811441A (enrdf_load_stackoverflow) |
| GB (1) | GB489881A (enrdf_load_stackoverflow) |
| NL (1) | NL49175C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3378672A4 (en) * | 2015-11-16 | 2019-06-19 | Kotobuki & Co., Ltd. | WRITING TOOL |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1015720B (de) * | 1952-03-17 | 1957-09-12 | Theodor Kovacs | Druckfuellbleistift mit selbsttaetiger Minenfolge |
-
0
- NL NL49175D patent/NL49175C/xx active
- BE BE417230D patent/BE417230A/xx unknown
-
1936
- 1936-08-25 FR FR811441D patent/FR811441A/fr not_active Expired
-
1937
- 1937-04-19 GB GB11168/37A patent/GB489881A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3378672A4 (en) * | 2015-11-16 | 2019-06-19 | Kotobuki & Co., Ltd. | WRITING TOOL |
Also Published As
| Publication number | Publication date |
|---|---|
| NL49175C (enrdf_load_stackoverflow) | |
| BE417230A (enrdf_load_stackoverflow) | |
| FR811441A (fr) | 1937-04-14 |
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