NL7311444A - - Google Patents
Info
- Publication number
- NL7311444A NL7311444A NL7311444A NL7311444A NL7311444A NL 7311444 A NL7311444 A NL 7311444A NL 7311444 A NL7311444 A NL 7311444A NL 7311444 A NL7311444 A NL 7311444A NL 7311444 A NL7311444 A NL 7311444A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
- B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
- B61L29/288—Wiring diagram of the signal control circuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28221172A | 1972-08-21 | 1972-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7311444A true NL7311444A (cs) | 1974-02-25 |
Family
ID=23080524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7311444A NL7311444A (cs) | 1972-08-21 | 1973-08-20 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4958510A (cs) |
| AR (1) | AR200277A1 (cs) |
| CA (1) | CA992190A (cs) |
| ES (1) | ES418087A1 (cs) |
| FR (1) | FR2196932B1 (cs) |
| GB (1) | GB1447511A (cs) |
| NL (1) | NL7311444A (cs) |
| ZA (1) | ZA735596B (cs) |
-
1973
- 1973-05-18 CA CA171,813A patent/CA992190A/en not_active Expired
- 1973-08-15 ZA ZA00735596A patent/ZA735596B/xx unknown
- 1973-08-20 FR FR7330145A patent/FR2196932B1/fr not_active Expired
- 1973-08-20 GB GB3929373A patent/GB1447511A/en not_active Expired
- 1973-08-20 NL NL7311444A patent/NL7311444A/xx not_active Application Discontinuation
- 1973-08-21 JP JP48093966A patent/JPS4958510A/ja active Pending
- 1973-08-21 AR AR249660A patent/AR200277A1/es active
- 1973-08-21 ES ES418087A patent/ES418087A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2196932B1 (cs) | 1976-06-18 |
| ZA735596B (en) | 1975-04-30 |
| AU5941173A (en) | 1975-02-20 |
| CA992190A (en) | 1976-06-29 |
| JPS4958510A (cs) | 1974-06-06 |
| ES418087A1 (es) | 1976-03-16 |
| AR200277A1 (es) | 1974-10-31 |
| FR2196932A1 (cs) | 1974-03-22 |
| GB1447511A (en) | 1976-08-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |