DE69528456D1 - Konische mehrschichtige beleuchtungsvorrichtung - Google Patents

Konische mehrschichtige beleuchtungsvorrichtung

Info

Publication number
DE69528456D1
DE69528456D1 DE69528456T DE69528456T DE69528456D1 DE 69528456 D1 DE69528456 D1 DE 69528456D1 DE 69528456 T DE69528456 T DE 69528456T DE 69528456 T DE69528456 T DE 69528456T DE 69528456 D1 DE69528456 D1 DE 69528456D1
Authority
DE
Germany
Prior art keywords
lighting device
layer lighting
conical multi
conical
layer
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 - Fee Related
Application number
DE69528456T
Other languages
English (en)
Other versions
DE69528456T2 (de
Inventor
Roland Winston
L Holman
A Jacobson
M Emmons
Philip Gleckman
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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
Priority claimed from US08/226,016 external-priority patent/US5528720A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority claimed from PCT/US1995/004424 external-priority patent/WO1995027915A1/en
Application granted granted Critical
Publication of DE69528456D1 publication Critical patent/DE69528456D1/de
Publication of DE69528456T2 publication Critical patent/DE69528456T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

DE69528456T 1994-04-11 1995-04-10 Konische mehrschichtige beleuchtungsvorrichtung Expired - Fee Related DE69528456T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/226,016 US5528720A (en) 1992-03-23 1994-04-11 Tapered multilayer luminaire devices
PCT/US1995/004424 WO1995027915A1 (en) 1994-04-11 1995-04-10 Tapered multilayer luminaire device

Publications (2)

Publication Number Publication Date
DE69528456D1 true DE69528456D1 (de) 2002-11-07
DE69528456T2 DE69528456T2 (de) 2003-06-26

Family

ID=22847213

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69528456T Expired - Fee Related DE69528456T2 (de) 1994-04-11 1995-04-10 Konische mehrschichtige beleuchtungsvorrichtung

Country Status (2)

Country Link
DE (1) DE69528456T2 (de)
TW (1) TW270978B (de)

Also Published As

Publication number Publication date
TW270978B (de) 1996-02-21
DE69528456T2 (de) 2003-06-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: WITTE, WELLER & PARTNER, 70178 STUTTGART

8339 Ceased/non-payment of the annual fee