FR1139253A - Illuminated road signs - Google Patents

Illuminated road signs

Info

Publication number: FR1139253A
Authority: FR; France
Prior art keywords: road signs; illuminated road; illuminated; signs; road
Prior art date: 1955-06-04
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

Application number

Other languages

Inventor

Robert Verniajou

Priority date (The priority date 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 date listed.)

1955-06-04

Filing date

1955-06-04

Publication date

1957-06-27

1955-06-04 Application filed filed Critical

1957-06-27 Application granted granted Critical

1957-06-27 Publication of FR1139253A publication Critical patent/FR1139253A/en

Status Expired legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
- F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)

FR1139253D 1955-06-04 1955-06-04 Illuminated road signs Expired FR1139253A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR1139253T		1955-06-04

Publications (1)

Publication Number	Publication Date
FR1139253A true FR1139253A (en)	1957-06-27

Family

ID=9641629

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1139253D Expired FR1139253A (en)	1955-06-04	1955-06-04	Illuminated road signs

Country Status (1)

Country	Link
FR (1)	FR1139253A (en)

1955
- 1955-06-04 FR FR1139253D patent/FR1139253A/en not_active Expired

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