FR944833A - Improvements to reflectors for light bulbs - Google Patents

Improvements to reflectors for light bulbs

Info

Publication number
FR944833A
FR944833A FR944833DA FR944833A FR 944833 A FR944833 A FR 944833A FR 944833D A FR944833D A FR 944833DA FR 944833 A FR944833 A FR 944833A
Authority
FR
France
Prior art keywords
reflectors
light bulbs
bulbs
light
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
Stephen Grebel
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 FR944833A publication Critical patent/FR944833A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
FR944833D 1947-03-26 1947-03-26 Improvements to reflectors for light bulbs Expired FR944833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR944833T 1947-03-26

Publications (1)

Publication Number Publication Date
FR944833A true FR944833A (en) 1949-04-15

Family

ID=9471960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944833D Expired FR944833A (en) 1947-03-26 1947-03-26 Improvements to reflectors for light bulbs

Country Status (1)

Country Link
FR (1) FR944833A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810820A (en) * 1954-10-06 1957-10-22 Price Brothers Inc Planter lamp
US2866086A (en) * 1956-09-24 1958-12-23 Moss Gerald Lamps
US4807100A (en) * 1987-03-20 1989-02-21 Mechanical Service Company Light director

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810820A (en) * 1954-10-06 1957-10-22 Price Brothers Inc Planter lamp
US2866086A (en) * 1956-09-24 1958-12-23 Moss Gerald Lamps
US4807100A (en) * 1987-03-20 1989-02-21 Mechanical Service Company Light director

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