FR38771E - Preventive device for accidents on public roads, especially at crossroads, bends, level crossings, etc. - Google Patents

Preventive device for accidents on public roads, especially at crossroads, bends, level crossings, etc.

Info

Publication number
FR38771E
FR38771E FR38771DA FR38771E FR 38771 E FR38771 E FR 38771E FR 38771D A FR38771D A FR 38771DA FR 38771 E FR38771 E FR 38771E
Authority
FR
France
Prior art keywords
crossroads
accidents
bends
public roads
preventive device
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
Dirk Jean Gerard Michel
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 FR38771E publication Critical patent/FR38771E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/008—Traffic signalling mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR38771D 1930-06-28 1930-06-28 Preventive device for accidents on public roads, especially at crossroads, bends, level crossings, etc. Expired FR38771E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR38771T 1930-06-28

Publications (1)

Publication Number Publication Date
FR38771E true FR38771E (en) 1931-07-18

Family

ID=8675237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR38771D Expired FR38771E (en) 1930-06-28 1930-06-28 Preventive device for accidents on public roads, especially at crossroads, bends, level crossings, etc.

Country Status (1)

Country Link
FR (1) FR38771E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2739509A (en) * 1950-07-06 1956-03-27 Hertz Richard Multi-directional viewer for vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2739509A (en) * 1950-07-06 1956-03-27 Hertz Richard Multi-directional viewer for vehicles

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