EP 0271858 A3 19900516 - HIGH VOLTAGE HARD GLASS HALOGEN CAPSULE
Title (en)
HIGH VOLTAGE HARD GLASS HALOGEN CAPSULE
Publication
Application
Priority
US 94232786 A 19861216
Abstract (en)
[origin: EP0271858A2] The present invention is directed to a unique light source capsule having filamentary supports at each end of a coiled coil incandescent filament and at least one, preferably at least two, intermediate filament supports therein. Such light source capsules will be especially useful in high voltage European versions of Sylvania's Capsylite lamps.
IPC 1-7
IPC 8 full level
H01K 1/18 (2006.01)
CPC (source: EP)
H01K 1/18 (2013.01)
Citation (search report)
- [A] EP 0168015 A2 19860115 - GTE PROD CORP [US]
- [A] US 3930177 A 19751230 - MARTIN JACK
- [A] US 3743375 A 19730703 - DE FRAEYE D
- [A] FR 2264466 A7 19751010 - PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH [DE]
- [A] GB 1147140 A 19690402 - SYLVANIA ELECTRIC PROD [US]
- [A] GB 2065966 A 19810701 - GEN ELECTRIC
- [A] US 4208606 A 19800617 - NEWTON RALPH E [US]
- [A] GB 1062819 A 19670322 - SYLVANIA ELECTRIC PROD
- [A] US 4499401 A 19850212 - GRAVES JAMES A [US], et al
- [A] US 3634722 A 19720111 - PAIMER LEWIS H, et al
- [A] WESTINGHOUSE ENGINEER, vol. 32, no. 1, January 1972, pages 14-18; H.G. SHELL et al.: "Strengthening metal with bubbles"
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0271858 A2 19880622; EP 0271858 A3 19900516; EP 0271858 B1 19990310; DE 3752258 D1 19990415; DE 3752258 T2 19991104
DOCDB simple family (application)
EP 87118490 A 19871214; DE 3752258 T 19871214