FR837367A - - Google Patents
Info
- Publication number
- FR837367A FR837367A FR837367DA FR837367A FR 837367 A FR837367 A FR 837367A FR 837367D A FR837367D A FR 837367DA FR 837367 A FR837367 A FR 837367A
- Authority
- FR
- France
- 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
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/02—Draughting machines or drawing devices for keeping parallelism
- B43L13/08—Protractor heads
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE494658X | 1937-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR837367A true FR837367A (xx) | 1939-02-08 |
Family
ID=6544758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR837367D Expired FR837367A (xx) | 1937-05-03 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR837367A (xx) |
| GB (1) | GB494658A (xx) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2611184A (en) * | 1948-02-06 | 1952-09-23 | Keuffel & Esser Co | Drafting machine |
| US2644238A (en) * | 1950-03-22 | 1953-07-07 | Keuffel & Esser Co | Drafting machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2551185A (en) * | 1941-01-15 | 1951-05-01 | Cellophane Sa | Drawing machine |
-
0
- FR FR837367D patent/FR837367A/fr not_active Expired
-
1938
- 1938-05-02 GB GB12985/38A patent/GB494658A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2611184A (en) * | 1948-02-06 | 1952-09-23 | Keuffel & Esser Co | Drafting machine |
| US2644238A (en) * | 1950-03-22 | 1953-07-07 | Keuffel & Esser Co | Drafting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| GB494658A (en) | 1938-10-28 |