Title (en)

ELECTRIC LAMP

Publication

EP 0295592 A3 19910102 (DE)

Application

EP 88109328 A 19880611

Priority

• DE 3719761 A 19870613
• DE 3808702 A 19880316

Abstract (en)

[origin: EP0295592A2] Electric lamp, which can be produced from normal glasses, despite high lighting power. <IMAGE>

IPC 1-7

H01K 1/28; H01K 1/50

IPC 8 full level

H01K 1/28 (2006.01); H01K 1/50 (2006.01)

CPC (source: EP)

H01K 1/28 (2013.01); H01K 1/50 (2013.01)

Citation (search report)

• [X] US 4463277 A 19840731 - DECARO ARISTIDE R [US]
• [Y] EP 0140330 A2 19850508 - TOSHIBA KK [JP]
• [Y] FR 1260887 A 19610512
• [XP] DE 8708356 U1 19870827
• [A] US 2271108 A 19420127 - WADE KENNETH L
• [A] US 3784275 A 19740108 - WIEDIJK P
• [A] ELEKTROTECHNISCHE ZEITSCHRIFT, AUSGABE B. vol. 28, no. 4, Februar 1976, BERLIN DE Seiten 86 - 87; KLOPFER: "VERBESSERUNGSMOGLICHKEITEN VON GLUHLAMPEN"
• [A] PATENT ABSTRACTS OF JAPAN vol. 2, no. 9 (M-77)(6598) 23 Januar 1978, & JP-A-52 120587 (TOKYO SHIBAURA DENKI K K) 10 November 1977,

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0295592 A2 19881221; EP 0295592 A3 19910102

DOCDB simple family (application)

EP 88109328 A 19880611