Patent ID: 9605403
Date: 2017-03-28
CPC Classifications: E02D

Claim:
1. A vented precipitation guarding manhole cover assembly, comprising: a manhole cover having a generally planar exterior manhole cover surface; a manhole cover protrusion extending from the exterior manhole cover surface, the manhole cover protrusion having: a manhole cover vent opening extending through the manhole cover protrusion and the manhole cover; a vent valve and a gas deodorizing assembly configured for placement in fluid communication with the manhole cover vent opening of the manhole cover; and wherein the vent valve comprises a valve insert configured to be seated in the manhole cover vent opening, a valve insert vent opening in the valve insert for placement in fluid communication with the manhole cover vent opening, a valve plate configured to be carried by the manhole cover, a valve plate vent opening in the valve plate for placement in fluid communication with the manhole cover vent opening and a valve ball configured for placement in the manhole cover vent opening.