FR828210A - Crayon à mines changeables - Google Patents
Crayon à mines changeablesInfo
- Publication number
- FR828210A FR828210A FR828210DA FR828210A FR 828210 A FR828210 A FR 828210A FR 828210D A FR828210D A FR 828210DA FR 828210 A FR828210 A FR 828210A
- Authority
- FR
- France
- Prior art keywords
- lead pencil
- changeable lead
- changeable
- pencil
- lead
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
- B43K24/12—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operating by means sliding in longitudinally-slotted casings
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE493403X | 1937-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR828210A true FR828210A (fr) | 1938-05-12 |
Family
ID=6544554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR828210D Expired FR828210A (fr) | 1937-03-18 | 1937-10-22 | Crayon à mines changeables |
Country Status (3)
Country | Link |
---|---|
US (1) | US2140653A (fr) |
FR (1) | FR828210A (fr) |
GB (1) | GB493403A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE472348A (fr) * | 1946-04-11 | Stylomine Ets | ||
US2628593A (en) * | 1949-04-22 | 1953-02-17 | Aylor Elmo Edison | Pencil pointer |
US2624315A (en) * | 1949-09-06 | 1953-01-06 | Kahn David Inc | Fountain pen |
-
1937
- 1937-10-22 FR FR828210D patent/FR828210A/fr not_active Expired
- 1937-11-11 GB GB30967/37A patent/GB493403A/en not_active Expired
-
1938
- 1938-03-03 US US193632A patent/US2140653A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB493403A (en) | 1938-10-07 |
US2140653A (en) | 1938-12-20 |
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