FR459963A - Arrangement of the incandescent bulb in electric safety lamps - Google Patents

Arrangement of the incandescent bulb in electric safety lamps

Info

Publication number
FR459963A
FR459963A FR459963A FR459963DA FR459963A FR 459963 A FR459963 A FR 459963A FR 459963 A FR459963 A FR 459963A FR 459963D A FR459963D A FR 459963DA FR 459963 A FR459963 A FR 459963A
Authority
FR
France
Prior art keywords
arrangement
incandescent bulb
electric safety
safety lamps
lamps
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
FR459963A
Other languages
French (fr)
Inventor
Fritz Faerber
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR459963A publication Critical patent/FR459963A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR459963A 1913-05-25 1913-07-03 Arrangement of the incandescent bulb in electric safety lamps Expired FR459963A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE459963X 1913-05-25

Publications (1)

Publication Number Publication Date
FR459963A true FR459963A (en) 1913-11-20

Family

ID=1499405

Family Applications (1)

Application Number Title Priority Date Filing Date
FR459963A Expired FR459963A (en) 1913-05-25 1913-07-03 Arrangement of the incandescent bulb in electric safety lamps

Country Status (1)

Country Link
FR (1) FR459963A (en)

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