FR539611A - Improvements to signaling devices - Google Patents

Improvements to signaling devices

Info

Publication number
FR539611A
FR539611A FR539611DA FR539611A FR 539611 A FR539611 A FR 539611A FR 539611D A FR539611D A FR 539611DA FR 539611 A FR539611 A FR 539611A
Authority
FR
France
Prior art keywords
signaling devices
signaling
devices
Prior art date
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
French (fr)
Inventor
William Mair Rolph
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR539611A publication Critical patent/FR539611A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
FR539611D 1921-08-23 1921-08-23 Improvements to signaling devices Expired FR539611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR539611T 1921-08-23

Publications (1)

Publication Number Publication Date
FR539611A true FR539611A (en) 1922-06-28

Family

ID=8928961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR539611D Expired FR539611A (en) 1921-08-23 1921-08-23 Improvements to signaling devices

Country Status (1)

Country Link
FR (1) FR539611A (en)

Similar Documents

Publication Publication Date Title
FR555572A (en) Improvements made to switches
FR564684A (en) Improvements to refrigeration devices
FR539611A (en) Improvements to signaling devices
FR543863A (en) Improvements to spraying devices
FR544368A (en) Improvements to brushcutting devices
FR536415A (en) Improvements to lifting devices
FR548473A (en) Improvements to spraying devices
FR547187A (en) Improvements to warning devices
FR544598A (en) Improvements to filtration devices
FR571112A (en) Improvements to thermo-ionic devices
FR535798A (en) Improvements to advertising devices
FR532180A (en) Improvements to advertising devices
FR510817A (en) Improvements made to signaling or indicating devices
FR563835A (en) Improvements to tabulating devices
FR530815A (en) Improvements to briquetting devices
FR544864A (en) Improvements to devices called trimmers
FR27158E (en) Improvements to radio-receivers
FR559341A (en) Improvements to seleno-radio-dosimeter
FR540903A (en) Improvements to time stamping devices
FR542464A (en) Improvements to refrigeration devices
FR530661A (en) Improvements to warning devices
FR558246A (en) Improvements to radio signaling transmitting devices
FR559806A (en) Improvements to mixing devices
FR559340A (en) Improvements to heterodyne devices
FR547971A (en) Improvements to refrigeration devices