BE813044A - Feuilles reflechissantes et leur fabrication. - Google Patents

Feuilles reflechissantes et leur fabrication.

Info

Publication number: BE813044A
Authority: BE; Belgium
Prior art keywords: manufacture; reflective sheets; reflective; sheets
Prior art date: 1974-03-29

Application number

BE142631A

Other languages

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.)

1974-03-29

Filing date

1974-03-29

Publication date

1974-09-30

1974-03-29 Application filed filed Critical

1974-03-29 Priority to BE142631A priority Critical patent/BE813044A/fr

1974-09-30 Publication of BE813044A publication Critical patent/BE813044A/fr

Links

238000004519 manufacturing process Methods 0.000 title 1

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
- G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)

BE142631A 1974-03-29 1974-03-29 Feuilles reflechissantes et leur fabrication. BE813044A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
BE142631A BE813044A (fr)	1974-03-29	1974-03-29	Feuilles reflechissantes et leur fabrication.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
BE813044		1974-03-29
BE142631A BE813044A (fr)	1974-03-29	1974-03-29	Feuilles reflechissantes et leur fabrication.

Publications (1)

Publication Number	Publication Date
BE813044A true BE813044A (fr)	1974-09-30

Family

ID=25647781

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE142631A BE813044A (fr)	1974-03-29	1974-03-29	Feuilles reflechissantes et leur fabrication.

Country Status (1)

Country	Link
BE (1)	BE813044A (fr)

1974
- 1974-03-29 BE BE142631A patent/BE813044A/fr not_active IP Right Cessation

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Legal Events

Date

Code

Title

Description

1994-01-01

RE20

Patent expired

Owner name: MINNESOTA MINING AND MFG CY

Effective date: 19940329