Patent · US Expired

Electric incandescent lamp

US5233264A · kind A · utility

1Cited by

5References

2Claims

0Family size

Assignee

U.S. Philips Corporation · US

Inventors

Helmut Tiesler · Cologne, DE
Wilfried Krings · Würselen, DE
Wilfried Emunds · Alsdorf, DE
Hermann Muller · Bonn, DE

Key dates

Filing date	Jun 19, 1990
Grant date	Aug 3, 1993
Priority date	—
Expiry date	Jun 19, 2010

Classification

Technology area (CPC H)Electricity
CPC primaryH01K1/46
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In an electric incandescent lamp having a bulb (1) including a glass pinch (2) which is retained in a metal cap (3) with a rectangular cross-section, the cap is provided with outwardly bent tags (7) at the wider sides (10) of its end facing the bulb (1). The tags (7) each have at their free ends a rim (9) which runs at least substantially parallel to lamp axis (X--X).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.