FR764009A - Improvements made to protection devices for electric lamps - Google Patents

Improvements made to protection devices for electric lamps

Info

Publication number
FR764009A
FR764009A FR764009DA FR764009A FR 764009 A FR764009 A FR 764009A FR 764009D A FR764009D A FR 764009DA FR 764009 A FR764009 A FR 764009A
Authority
FR
France
Prior art keywords
improvements made
protection devices
electric lamps
lamps
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
Other languages
French (fr)
Inventor
Georges Deschamps
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 FR764009A publication Critical patent/FR764009A/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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/02—Details
    • H05B31/18—Mountings for electrodes; Electrode feeding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR764009D 1933-11-17 1933-11-17 Improvements made to protection devices for electric lamps Expired FR764009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR764009T 1933-11-17

Publications (1)

Publication Number Publication Date
FR764009A true FR764009A (en) 1934-05-14

Family

ID=9181915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR764009D Expired FR764009A (en) 1933-11-17 1933-11-17 Improvements made to protection devices for electric lamps

Country Status (1)

Country Link
FR (1) FR764009A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2640147A (en) * 1950-06-30 1953-05-26 Charles L Suchan Hinged light bulb protector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2640147A (en) * 1950-06-30 1953-05-26 Charles L Suchan Hinged light bulb protector

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