GB691731A - Improvements in writing instruments - Google Patents
Improvements in writing instrumentsInfo
- Publication number
- GB691731A GB691731A GB13865/48A GB1386548A GB691731A GB 691731 A GB691731 A GB 691731A GB 13865/48 A GB13865/48 A GB 13865/48A GB 1386548 A GB1386548 A GB 1386548A GB 691731 A GB691731 A GB 691731A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- reservoir
- ball
- writing
- feed
- 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
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 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
- 238000007789 sealing Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 210000005070 sphincter Anatomy 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
- B43K7/02—Ink reservoirs; Ink cartridges
Landscapes
- Pens And Brushes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB280521X | 1948-05-21 | ||
| GB120549X | 1949-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB691731A true GB691731A (en) | 1953-05-20 |
Family
ID=26248720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13865/48A Expired GB691731A (en) | 1948-05-21 | 1948-05-21 | Improvements in writing instruments |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE489179A (enrdf_load_stackoverflow) |
| CH (1) | CH280521A (enrdf_load_stackoverflow) |
| FR (1) | FR987190A (enrdf_load_stackoverflow) |
| GB (1) | GB691731A (enrdf_load_stackoverflow) |
| LU (1) | LU29557A1 (enrdf_load_stackoverflow) |
-
0
- BE BE489179D patent/BE489179A/xx unknown
- LU LU29557D patent/LU29557A1/xx unknown
-
1948
- 1948-05-21 GB GB13865/48A patent/GB691731A/en not_active Expired
-
1949
- 1949-05-19 CH CH280521D patent/CH280521A/fr unknown
- 1949-05-21 FR FR987190D patent/FR987190A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH280521A (fr) | 1952-01-31 |
| LU29557A1 (enrdf_load_stackoverflow) | |
| FR987190A (fr) | 1951-08-09 |
| BE489179A (enrdf_load_stackoverflow) |
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