Title: Fluid collection bottle with improved air flow valve means

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Claims: We claim:

1. An air-passage closure float valve device including, in combination, an elongate float valve; guide structure housing said float valve for vertical movement of the latter, said float valve and said guide structure having mutually inter cooperable means for enabling and also limiting the downward protrusion of said float valve beneath said guide structure; and a baffle support member having an upper portion secured to said structure, a baffle, and means depending from said upper portion for supporting said baffle in spaced relationship beneath said float valve for all dispositions of the latter, and wherein said guide structure is provided with a downwardly facing recessed seat, said upper portion comprising a ring being secured in said recessed seat.

Other info:

Inventors: Holbrook, Legrand K. (Salt Lake City, UT, US)
Sturdevant, Gary F. (Sandy, UT, US)

Application Number: 521560
Filing Date: 1974-11-07
Publication_date: 1976-06-01
Assignee: Medical Development Corporation (Salt Lake City, UT)
Primary Class(es): 137/202 137/205, 137/433, 604/320
Other Classes:
US Patent Ref:

2949926	Aug, 1960	Hanin	137/202.
3401751	Sep, 1968	Loftin	137/202.

Other Refs: 1,185,880

Jan, 1965	DT

Primary Examiner: Cohan, Alan
Assistant Examiner:
Attorney: Fitch, Even, Tabin & Luedeka