CH266906A - Mechanical pencil. - Google Patents
Mechanical pencil.Info
- Publication number
- CH266906A CH266906A CH266906DA CH266906A CH 266906 A CH266906 A CH 266906A CH 266906D A CH266906D A CH 266906DA CH 266906 A CH266906 A CH 266906A
- Authority
- CH
- Switzerland
- Prior art keywords
- mechanical pencil
- pencil
- 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
- B43K21/08—Writing-core feeding mechanisms with the writing-cores fed by screws
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US266906XA | 1945-03-12 | 1945-03-12 | |
US606445A US2554280A (en) | 1945-07-17 | 1945-07-17 | Preparation of resin-drying oil mixture |
US610212A US2476000A (en) | 1945-07-17 | 1945-07-21 | Hydrocarbon polymers |
US634405A US2554273A (en) | 1945-07-17 | 1945-07-21 | Producing hydrocarbon resins for coating compositions |
US211245XA | 1945-12-21 | 1945-12-21 | |
US291245XA | 1945-12-29 | 1945-12-29 | |
US605631A US2625523A (en) | 1945-07-17 | 1945-12-29 | Polymer composition and process of preparing same |
US604350A US2583420A (en) | 1945-07-17 | 1945-12-29 | Controlling heat of reaction by refluxing in the butadiene-diisobutylene copolymerization |
Publications (1)
Publication Number | Publication Date |
---|---|
CH266906A true CH266906A (en) | 1950-02-28 |
Family
ID=27574062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH266906D CH266906A (en) | 1945-03-12 | 1946-10-28 | Mechanical pencil. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH266906A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE958992C (en) * | 1951-01-25 | 1957-02-28 | Scripto Inc | Fountain pen |
-
1946
- 1946-10-28 CH CH266906D patent/CH266906A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE958992C (en) * | 1951-01-25 | 1957-02-28 | Scripto Inc | Fountain pen |
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