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US 4,727,286 AGranted
Electric lamp including oxygen getter
AssigneeGTE Products Corporation
InventorsJames P. Keenan, Peter R. Gagnon
Life of this patent
Estimating the term…
Abstract
Electric incandescent lamp employing phosphine (PH.sub.3) as the getter.
Claims5
An electric incandescent lamp having a closed envelope, said envelope containing a filament mounted therein;
- and a gaseous oxygen getter within said envelope, said oxygen getter comprising phosphine.
Dependencies are inferred from the claim text.