Incandescent lamp having two-part insulative base
US4084112A · kind A · utility
13Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 1977 |
| Grant date | Apr 11, 1978 |
| Priority date | — |
| Expiry date | May 20, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01K1/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high wattage incandescent lamp which includes a two-part ceramic base. Within the base is a barrier section which separates the base's cavity from the respective pin recesses. The structure permits utilization of hollow pins which include a flattened end portion for being retained within the base. The lamp is especially suited for studio, theatre, and television applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.