Patent ID: 7780334

Claim:
A lamp for a decorative light string, the lamp comprising: a cover of a transparent polymer, the cover being elongate and substantially symmetrical about a central longitudinal axis, the cover having first and second longitudinally opposing ends, the first end having a smooth, convex external surface, the second end having a cylindrical external surface; a longitudinally extending recess in the cover, the recess having a concave closed end adjacent the first end, an open mouth at the second end and an elongate inner wall between the open and closed ends; an intermediate external surface joining the convex external surface at the first end to the cylindrical external surface at the second end, the intermediate surface intersecting tangentially with the convex external surface at the first end; an inwardly projecting circumferential shoulder located in an inner wall of the recess, intermediate the first and second ends; a light emitting diode (LED) received in the recess, the LED having a post and an anvil elongated to extend through the open mouth, the LED having a case with a shape complementary to the recess for longitudinal sliding movement in the recess and sized such that a tip of the LED abuts the shoulder, and a fixture for securing the LED and to cover to electrical cables, the fixture having a first cylindrical recess in which the cylindrical external surface at the second end is received.