FR2175325A5 - - Google Patents
Info
- Publication number
- FR2175325A5 FR2175325A5 FR7208331A FR7208331A FR2175325A5 FR 2175325 A5 FR2175325 A5 FR 2175325A5 FR 7208331 A FR7208331 A FR 7208331A FR 7208331 A FR7208331 A FR 7208331A FR 2175325 A5 FR2175325 A5 FR 2175325A5
- 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
- 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
- B61L29/30—Supervision, e.g. monitoring arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7208331A FR2175325A5 (enExample) | 1972-03-09 | 1972-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7208331A FR2175325A5 (enExample) | 1972-03-09 | 1972-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2175325A5 true FR2175325A5 (enExample) | 1973-10-19 |
Family
ID=9094965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7208331A Expired FR2175325A5 (enExample) | 1972-03-09 | 1972-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2175325A5 (enExample) |
-
1972
- 1972-03-09 FR FR7208331A patent/FR2175325A5/fr not_active Expired
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |