FR454030A - Further development in incandescent electric lamp lighting fixtures - Google Patents

Further development in incandescent electric lamp lighting fixtures

Info

Publication number
FR454030A
FR454030A FR454030A FR454030DA FR454030A FR 454030 A FR454030 A FR 454030A FR 454030 A FR454030 A FR 454030A FR 454030D A FR454030D A FR 454030DA FR 454030 A FR454030 A FR 454030A
Authority
FR
France
Prior art keywords
further development
lamp lighting
lighting fixtures
electric lamp
incandescent electric
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
FR454030A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INTERNATIONALE DE LUMIERE FROIDE PROCEDES Ste
Original Assignee
INTERNATIONALE DE LUMIERE FROIDE PROCEDES Ste
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 by INTERNATIONALE DE LUMIERE FROIDE PROCEDES Ste filed Critical INTERNATIONALE DE LUMIERE FROIDE PROCEDES Ste
Application granted granted Critical
Publication of FR454030A publication Critical patent/FR454030A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
FR454030A 1912-04-18 1912-04-18 Further development in incandescent electric lamp lighting fixtures Expired FR454030A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR454030T 1912-04-18

Publications (1)

Publication Number Publication Date
FR454030A true FR454030A (en) 1913-06-24

Family

ID=1494080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR454030A Expired FR454030A (en) 1912-04-18 1912-04-18 Further development in incandescent electric lamp lighting fixtures

Country Status (1)

Country Link
FR (1) FR454030A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016272A1 (en) * 1979-03-26 1980-10-01 Stewart-Warner Corporation Incandescent lamp display system with incorporated sun screen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016272A1 (en) * 1979-03-26 1980-10-01 Stewart-Warner Corporation Incandescent lamp display system with incorporated sun screen

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