NL20385C - - Google Patents
Info
- Publication number
- NL20385C NL20385C NL37964A NL37964A NL20385C NL 20385 C NL20385 C NL 20385C NL 37964 A NL37964 A NL 37964A NL 37964 A NL37964 A NL 37964A NL 20385 C NL20385 C NL 20385C
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/096—Arrangements for giving variable traffic instructions provided with indicators in which a mark progresses showing the time elapsed, e.g. of green phase
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Audible And Visible Signals (AREA)
- Traffic Control Systems (AREA)
- Road Signs Or Road Markings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL37964T | 1927-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL20385C true NL20385C (xx) | 1929-02-15 |
Family
ID=32065061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL37964A NL20385C (xx) | 1927-08-16 | 1927-08-16 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE485243C (xx) |
| FR (2) | FR666639A (xx) |
| GB (1) | GB328937A (xx) |
| NL (1) | NL20385C (xx) |
-
1927
- 1927-08-16 NL NL37964A patent/NL20385C/xx active
- 1927-12-09 DE DE1927H0114232 patent/DE485243C/de not_active Expired
-
1928
- 1928-12-31 GB GB38507/28A patent/GB328937A/en not_active Expired
-
1929
- 1929-01-03 FR FR666639D patent/FR666639A/fr not_active Expired
-
1930
- 1930-02-12 FR FR38301D patent/FR38301E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR38301E (fr) | 1931-05-12 |
| DE485243C (de) | 1929-10-28 |
| GB328937A (en) | 1930-04-30 |
| FR666639A (fr) | 1929-10-03 |