CH250920A - Mechanical pencils. - Google Patents
Mechanical pencils.Info
- Publication number
- CH250920A CH250920A CH250920DA CH250920A CH 250920 A CH250920 A CH 250920A CH 250920D A CH250920D A CH 250920DA CH 250920 A CH250920 A CH 250920A
- Authority
- CH
- Switzerland
- Prior art keywords
- mechanical pencils
- pencils
- mechanical
- Prior art date
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
- B43K21/22—Writing-cores gripping means, e.g. chucks
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2514610X | 1946-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH250920A true CH250920A (en) | 1947-09-30 |
Family
ID=4569776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH250920D CH250920A (en) | 1946-03-13 | 1946-03-13 | Mechanical pencils. |
Country Status (3)
Country | Link |
---|---|
US (1) | US2514610A (en) |
BE (1) | BE470020A (en) |
CH (1) | CH250920A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE972637C (en) * | 1953-10-23 | 1959-08-27 | Faber Castell A W | Pressure filler pen |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH306081A (en) * | 1953-01-19 | 1955-03-31 | Caran D Ache Crayons | Mechanical pencils. |
US2868170A (en) * | 1953-10-14 | 1959-01-13 | Paper Mate Mfg Co | Retractable mechanism of pinch yoke type |
US11090969B2 (en) * | 2019-12-23 | 2021-08-17 | Kotobuki & Co., Ltd. | Mechanical pencil |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1803794A (en) * | 1924-05-08 | 1931-05-05 | Pencil Mechanism Corp | Mechanical pencil |
US2078433A (en) * | 1935-12-18 | 1937-04-27 | Winter Arthur | Lead feeding pencil |
CH219430A (en) * | 1940-04-05 | 1942-02-15 | Osmia Fuellhalter Fabrik G M B | Mechanical pencil. |
-
0
- BE BE470020D patent/BE470020A/xx unknown
-
1946
- 1946-03-13 CH CH250920D patent/CH250920A/en unknown
- 1946-06-04 US US674226A patent/US2514610A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE972637C (en) * | 1953-10-23 | 1959-08-27 | Faber Castell A W | Pressure filler pen |
Also Published As
Publication number | Publication date |
---|---|
US2514610A (en) | 1950-07-11 |
BE470020A (en) |
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