Filament supporting multi-planar wire insert for electric incandescent lamp
US4806817A · kind A · utility
1Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1988 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | Jun 22, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01K1/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A multi-planar, one-piece wire insert for supporting a coil filament body in an electric incadescent lamp in which the wire insert includes a top leg disposed in a plane out of the main plane of the insert so as to permit the coil filament body, as wound, to fit (match) the insert directly without requiring alteration to the ends of the coil filament body and/or changing of the wound coil geometry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.