FR514073A - Perfectionnements aux réflecteurs - Google Patents

Perfectionnements aux réflecteurs

Info

Publication number: FR514073A
Authority: FR; France
Prior art keywords: refinements; reflector; reflector refinements
Prior art date: 1914-02-23
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

FR514073A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Holophane SAS

Original Assignee

Holophane SAS

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.)

1914-02-23

Filing date

1920-04-19

Publication date

1921-03-02

1920-04-19 Application filed by Holophane SAS filed Critical Holophane SAS

1921-03-02 Application granted granted Critical

1921-03-02 Publication of FR514073A publication Critical patent/FR514073A/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
- F21V5/00—Refractors for light sources

Landscapes

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

FR514073A 1914-02-23 1920-04-19 Perfectionnements aux réflecteurs Expired FR514073A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB514073X		1914-02-23

Publications (1)

Publication Number	Publication Date
FR514073A true FR514073A (fr)	1921-03-02

Family

ID=10459889

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR514073A Expired FR514073A (fr)	1914-02-23	1920-04-19	Perfectionnements aux réflecteurs

Country Status (1)

Country	Link
FR (1)	FR514073A (fr)

1920
- 1920-04-19 FR FR514073A patent/FR514073A/fr not_active Expired

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