FR557210A - protective screen for electric lamps - Google Patents

protective screen for electric lamps

Info

Publication number
FR557210A
FR557210A FR557210DA FR557210A FR 557210 A FR557210 A FR 557210A FR 557210D A FR557210D A FR 557210DA FR 557210 A FR557210 A FR 557210A
Authority
FR
France
Prior art keywords
protective screen
electric lamps
lamps
electric
protective
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
Maurice-Louis Petit
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 FR557210A publication Critical patent/FR557210A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR557210D 1922-10-09 1922-10-09 protective screen for electric lamps Expired FR557210A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR557210T 1922-10-09

Publications (1)

Publication Number Publication Date
FR557210A true FR557210A (en) 1923-08-04

Family

ID=8940702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR557210D Expired FR557210A (en) 1922-10-09 1922-10-09 protective screen for electric lamps

Country Status (1)

Country Link
FR (1) FR557210A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969622A (en) * 1975-06-19 1976-07-13 Brandt Neil W Socket locking structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969622A (en) * 1975-06-19 1976-07-13 Brandt Neil W Socket locking structure

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