Assertion: snorkel's mouthpiece | /r/HasProperty | disclosed in u.s. pat
Facets:
value: generally
type: DEGREE
Source sentences:
text: it will seen that the improved snorkel 10, of the present invention comprises a mouthpiece 12, a breathing tube 14, and a branch conduit 16, the latter being segregated from the breathing tube by a partition 15, the branch conduit terminating in a check valve 18 in the manner generally disclosed in U.S. Pat.