NL34223C - - Google Patents
Info
- Publication number
- NL34223C NL34223C NL34223DA NL34223C NL 34223 C NL34223 C NL 34223C NL 34223D A NL34223D A NL 34223DA NL 34223 C NL34223 C NL 34223C
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K5/00—Pens with ink reservoirs in holders, e.g. fountain-pens
- B43K5/02—Ink reservoirs
- B43K5/06—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle
- B43K5/08—Ink reservoirs with movable pistons for withdrawing ink from an ink-receptacle with ink-supplying valves
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB10120/31A GB375458A (en) | 1931-04-02 | 1931-04-02 | Improvements in and connected with self-filling fountain pens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL34223C true NL34223C (zh) |
Family
ID=9961863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL34223D NL34223C (zh) | 1931-04-02 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1908802A (zh) |
| BE (1) | BE386369A (zh) |
| GB (1) | GB375458A (zh) |
| NL (1) | NL34223C (zh) |
-
0
- NL NL34223D patent/NL34223C/xx active
- BE BE386369D patent/BE386369A/xx unknown
-
1931
- 1931-04-02 GB GB10120/31A patent/GB375458A/en not_active Expired
- 1931-11-13 US US574827A patent/US1908802A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB375458A (en) | 1932-06-30 |
| BE386369A (zh) | |
| US1908802A (en) | 1933-05-16 |