Patent
   D246909
Priority
Feb 05 1976
Filed
Feb 05 1976
Issued
Jan 10 1978
Expiry
Jan 10 1992
Assg.orig
Entity
unknown
4
9
n/a
The ornamental design of a constant flow selector valve, substantially as shown and described.

FIG. 1 is a top plan view of a constant flow selector valve embodying my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front perspective view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

Dennis, Dean R.

Patent Priority Assignee Title
D257062, Jul 24 1978 Fluid metering valve for medical apparatus and the like
D285332, Nov 21 1983 HARSCO CORPORATION, HARRISBURY, PA , A CORP OF DE Gauge valve
D730489, Jan 08 2013 Skull-shaped positive crankcase ventilation valve
D730490, Jan 08 2013 Monster head-shaped positive crankcase ventilation valve
Patent Priority Assignee Title
2361655,
2968474,
3949966, Apr 30 1975 ZEE DEVELOPMENT CORP , A CORP OF CA Variable constant flow selector valve
136369,
154427,
172372,
177198,
207766,
218306,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 05 1976Robertshaw Controls Co.(assignment on the face of the patent)
Sep 30 1982ROBERTSHAW CONTROLS COMPANY, 1701 BYRD AVE , RICHMOND, VA A CORP OF DEL LIFE SUPPORT PRODUCTS, INC ,ASSIGNMENT OF ASSIGNORS INTEREST 0040860511 pdf
Aug 06 1984LIFE SUPPORT PRODUCTS, INC , A CORP OF CAZEE DEVELOPMENT CORP , A CORP OF CAASSIGNMENT OF ASSIGNORS INTEREST 0042960460 pdf
Dec 09 1993LIFE SUPPORT PRODUCTS, INC BOATMEN S NATIONAL BANK OF ST LOUIS, THESECURITY INTEREST SEE DOCUMENT FOR DETAILS 0070940144 pdf
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