Patent
   D318023
Priority
Mar 02 1989
Filed
Mar 02 1989
Issued
Jul 09 1991
Expiry
Jul 09 2005
Assg.orig
Entity
unknown
2
9
n/a
The ornamental design for a collapsible radon montior, as shown and described.

FIG. 1 is a top and front perspective view of a collapsible radon monitor showing my new design, shown in an expanded position;

FIG. 2 is a top and front perspective view, shown in a collapsed position;

FIG. 3 is a front elevational view, shown in an expanded position;

FIG. 4 is a front elevational view, shown in a collapsed position;

FIG. 5 is a bottom plan view;

FIG. 6 is a top plan view; and

FIG. 7 is a left side elevational view thereof, the right side elevational view being identical.

The front and rear are identical in appearance and the left and right sides are identical in appearance for both the expanded and collapsed canister positions.

Ramsey, Jr., Robert W.

Patent Priority Assignee Title
D332057, May 03 1990 Compagnie Generale des Matieres Nucleaires Radon detector
D954568, Dec 12 2019 WayBeyond Limited Sensor
Patent Priority Assignee Title
3474844,
4518860, Oct 19 1982 Terradex Corporation Compact detector for radon and radon daughter products
4814608, Dec 01 1986 RAD ELEC, INC Subsoil radioactive gas measuring system
4853536, Dec 01 1986 RAD ELEC, INC Ionization chamber for monitoring radioactive gas
4948970, Jan 23 1989 Radiation Safety Services, Inc. Radon measuring device
4980550, Oct 20 1989 Radiation Safety Services, Inc. Radon measuring device
D259865, Sep 20 1978 Radiation-sensitive pendulum to be held in the hand
D269858, Feb 12 1981 Terradex Corp. Compact radon detector unit
D307850, Aug 21 1987 Tanaka Manufacturing Company Limited Can holder
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 06 1989RAMSEY, ROBERT W JR RAD ELEC INC ASSIGNMENT OF ASSIGNORS INTEREST 0050510471 pdf
Mar 02 1989Rad Elec Inc.(assignment on the face of the patent)
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