GB407253A - Improvements in writing implements - Google Patents
Improvements in writing implementsInfo
- Publication number
- GB407253A GB407253A GB22310/33A GB2231033A GB407253A GB 407253 A GB407253 A GB 407253A GB 22310/33 A GB22310/33 A GB 22310/33A GB 2231033 A GB2231033 A GB 2231033A GB 407253 A GB407253 A GB 407253A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lead
- sides
- section
- equal
- faces
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
- B43K19/02—Pencils with graphite; Coloured pencils
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 |
---|---|---|---|
US407253XA | 1932-08-24 | 1932-08-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB407253A true GB407253A (en) | 1934-03-15 |
Family
ID=21912593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22310/33A Expired GB407253A (en) | 1932-08-24 | 1933-03-10 | Improvements in writing implements |
Country Status (5)
-
0
- NL NL36569D patent/NL36569C/xx active
- BE BE397990D patent/BE397990A/xx unknown
-
1933
- 1933-03-10 GB GB22310/33A patent/GB407253A/en not_active Expired
- 1933-03-19 DE DE1933W0093352 patent/DE701820C/de not_active Expired
- 1933-03-31 FR FR753519D patent/FR753519A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE701820C (de) | 1941-01-24 |
BE397990A (US07943777-20110517-C00090.png) | |
FR753519A (fr) | 1933-10-18 |
NL36569C (US07943777-20110517-C00090.png) |
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KR20230056343A (ko) | 심 깎아주는 샤프 |