AT170153B - Mechanical pencil - Google Patents
Mechanical pencilInfo
- Publication number
- AT170153B AT170153B AT170153DA AT170153B AT 170153 B AT170153 B AT 170153B AT 170153D A AT170153D A AT 170153DA AT 170153 B AT170153 B AT 170153B
- Authority
- AT
- Austria
- Prior art keywords
- mechanical pencil
- pencil
- mechanical
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT170153T | 1949-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT170153B true AT170153B (en) | 1952-01-25 |
Family
ID=3655568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT170153D AT170153B (en) | 1949-11-07 | 1949-11-07 | Mechanical pencil |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT170153B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1081800B (en) * | 1955-02-19 | 1960-05-12 | Karl Heinrich Heinz | Pressure filler pen with automatic refill sequence |
US4264227A (en) * | 1978-04-28 | 1981-04-28 | Kosei Iwasaki | Press-out type writing tool |
US5052838A (en) * | 1990-05-22 | 1991-10-01 | The Gillette Company | Mechanical pencil |
US5947620A (en) * | 1994-12-07 | 1999-09-07 | Kotobuki & Co., Ltd. | Double-chuck mechanical pencil |
US6082916A (en) * | 1997-10-27 | 2000-07-04 | Kotobuki & Co., Ltd. | Mechanical pencil |
-
1949
- 1949-11-07 AT AT170153D patent/AT170153B/en active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1081800B (en) * | 1955-02-19 | 1960-05-12 | Karl Heinrich Heinz | Pressure filler pen with automatic refill sequence |
US4264227A (en) * | 1978-04-28 | 1981-04-28 | Kosei Iwasaki | Press-out type writing tool |
US5052838A (en) * | 1990-05-22 | 1991-10-01 | The Gillette Company | Mechanical pencil |
US5947620A (en) * | 1994-12-07 | 1999-09-07 | Kotobuki & Co., Ltd. | Double-chuck mechanical pencil |
US6082916A (en) * | 1997-10-27 | 2000-07-04 | Kotobuki & Co., Ltd. | Mechanical pencil |
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