FR660839A - Perfectionnements aux abat-jour - Google Patents

Perfectionnements aux abat-jour

Info

Publication number: FR660839A
Authority: FR; France
Prior art keywords: shade; shade improvements
Prior art date: 1928-09-22
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

Inventor

Ernest Lennox Dunand

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.)

1928-09-22

Filing date

1928-09-22

Publication date

1929-07-17

1928-09-22 Application filed filed Critical

1929-07-17 Application granted granted Critical

1929-07-17 Publication of FR660839A publication Critical patent/FR660839A/fr

Status Expired legal-status Critical Current

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
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)

FR660839D 1928-09-22 1928-09-22 Perfectionnements aux abat-jour Expired FR660839A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR660839T		1928-09-22

Publications (1)

Publication Number	Publication Date
FR660839A true FR660839A (fr)	1929-07-17

Family

ID=9010488

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR660839D Expired FR660839A (fr)	1928-09-22	1928-09-22	Perfectionnements aux abat-jour

Country Status (1)

Country	Link
FR (1)	FR660839A (fr)

1928
- 1928-09-22 FR FR660839D patent/FR660839A/fr not_active Expired

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