FR649556A - Protective glass for electric lamps - Google Patents

Protective glass for electric lamps

Info

Publication number
FR649556A
FR649556A FR649556DA FR649556A FR 649556 A FR649556 A FR 649556A FR 649556D A FR649556D A FR 649556DA FR 649556 A FR649556 A FR 649556A
Authority
FR
France
Prior art keywords
protective glass
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
Paul Rosenkaimer
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 FR649556A publication Critical patent/FR649556A/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
    • F21V3/00—Globes; Bowls; Cover glasses

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR649556D 1928-02-22 1928-02-22 Protective glass for electric lamps Expired FR649556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR649556T 1928-02-22

Publications (1)

Publication Number Publication Date
FR649556A true FR649556A (en) 1928-12-24

Family

ID=9003370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR649556D Expired FR649556A (en) 1928-02-22 1928-02-22 Protective glass for electric lamps

Country Status (1)

Country Link
FR (1) FR649556A (en)

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