BE718715A - - Google Patents
Info
- Publication number
- BE718715A BE718715A BE718715DA BE718715A BE 718715 A BE718715 A BE 718715A BE 718715D A BE718715D A BE 718715DA BE 718715 A BE718715 A BE 718715A
- Authority
- BE
- Belgium
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
- B43L13/14—Devices for drawing in perspective
- B43L13/147—Three-dimensional devices
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65942267A | 1967-08-09 | 1967-08-09 | |
| CH516968A CH486335A (de) | 1967-08-09 | 1968-04-08 | Gerät zum Zeichnen perspektivischer Ansichten |
| AU37323/68A AU3732368A (en) | 1967-08-09 | 1968-05-06 | Automatic perspective drafting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE718715A true BE718715A (de) | 1969-01-29 |
Family
ID=27153803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE718715D BE718715A (de) | 1967-08-09 | 1968-07-29 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3425126A (de) |
| AU (1) | AU3732368A (de) |
| BE (1) | BE718715A (de) |
| CH (1) | CH486335A (de) |
| FR (1) | FR1603606A (de) |
| GB (1) | GB1232805A (de) |
| NL (1) | NL6811319A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD845393S1 (en) * | 2017-07-24 | 2019-04-09 | Mind Research Institute | Drawing tool |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US406083A (en) * | 1889-07-02 | Device for drawing in per | ||
| GB714679A (en) * | 1951-02-02 | 1954-09-01 | D R W Ltd | Improvements in or relating to drawing apparatus |
| US2714253A (en) * | 1952-03-31 | 1955-08-02 | Irving S Stone | Perspective drafting machine |
-
1967
- 1967-08-09 US US659422A patent/US3425126A/en not_active Expired - Lifetime
-
1968
- 1968-04-08 CH CH516968A patent/CH486335A/de not_active IP Right Cessation
- 1968-05-06 AU AU37323/68A patent/AU3732368A/en not_active Expired
- 1968-07-17 GB GB1232805D patent/GB1232805A/en not_active Expired
- 1968-07-29 BE BE718715D patent/BE718715A/xx unknown
- 1968-08-01 FR FR1603606D patent/FR1603606A/fr not_active Expired
- 1968-08-08 NL NL6811319A patent/NL6811319A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1603606A (de) | 1971-05-10 |
| GB1232805A (de) | 1971-05-19 |
| NL6811319A (de) | 1969-02-11 |
| US3425126A (en) | 1969-02-04 |
| CH486335A (de) | 1970-02-28 |
| AU3732368A (en) | 1969-11-13 |