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US 4,138,623 AGranted
Lamp leads
AssigneeGeneral Electric Company
InventorJohn E. McMillan
Life of this patent
Estimating the term…
Abstract
Dispersion strengthened copper leads are used for inner and/or outer leads in electric lamps.
Claims8
A general service incandescent lamp having
- a mount comprising at least two inner lead wires;
- a refractory filament clamped one end to each of said lead wires;
- wherein the improvement comprises at least a portion of said lead wires comprising dispersion strengthened copper wire and at least said lead wires are unsupported.
A mount for an electric lamp comprising:
- a flare;
- an exhaust tube inserted in said flare;
- at least two lead wires inserted in said flare, said flare being pressed closed at one end thereof around said exhaust tube and lead wires;
- at least one refractory metal filament connected to one end of each of said lead wires;
- and
- wherein the improvement comprises at least a portion of said lead wires comprising dispersion strengthened copper.
3 more elements
Dependencies are inferred from the claim text.