NL6811319A - - Google Patents
Info
- Publication number
- NL6811319A NL6811319A NL6811319A NL6811319A NL6811319A NL 6811319 A NL6811319 A NL 6811319A NL 6811319 A NL6811319 A NL 6811319A NL 6811319 A NL6811319 A NL 6811319A NL 6811319 A NL6811319 A NL 6811319A
- Authority
- NL
- Netherlands
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 (en) | 1967-08-09 | 1968-04-08 | Device for drawing perspective views |
AU37323/68A AU3732368A (en) | 1967-08-09 | 1968-05-06 | Automatic perspective drafting machine |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6811319A true NL6811319A (en) | 1969-02-11 |
Family
ID=27153803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6811319A NL6811319A (en) | 1967-08-09 | 1968-08-08 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3425126A (en) |
AU (1) | AU3732368A (en) |
BE (1) | BE718715A (en) |
CH (1) | CH486335A (en) |
FR (1) | FR1603606A (en) |
GB (1) | GB1232805A (en) |
NL (1) | NL6811319A (en) |
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/en 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 |
---|---|
US3425126A (en) | 1969-02-04 |
FR1603606A (en) | 1971-05-10 |
CH486335A (en) | 1970-02-28 |
AU3732368A (en) | 1969-11-13 |
GB1232805A (en) | 1971-05-19 |
BE718715A (en) | 1969-01-29 |