Patent
   D330521
Priority
Oct 11 1990
Filed
Oct 11 1990
Issued
Oct 27 1992
Expiry
Oct 27 2006
Assg.orig
Entity
unknown
9
4
n/a
The ornamental design for a combustible gas indicator, as shown and described.

FIG. 1 is a top, front and left side perspective view of a combustible gas indicator showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a rear elevational view;

FIG. 5 is a bottom plan view;

FIG. 6 is a left side elevational view; and,

FIG. 7 is a right side elevational view thereof.

Krolopp, Rudy

Patent Priority Assignee Title
D362811, Sep 09 1994 Hansa Metallwerke AG Gas sensor
D365528, Aug 12 1994 Hochiki Kabushiki Kaisha Gas leak detector
D367234, May 14 1993 THERMO ENVIRONMENTAL INSTRUMENTS, INC Portable toxic vapor analyzer
D375056, Nov 30 1994 SENSORS, INC Replaceable gas analyzer
D391624, Dec 23 1996 Canister for inline feeder
D659577, Oct 28 2010 SPX Corporation Handheld combustible gas detector
D671851, Feb 28 2011 Sprue Safety Products Ltd Gas detector
D728388, Oct 16 2013 DRÄGERWERK AG & CO KGAA Clear pump adapter
D894183, Sep 04 2018 NANJING EASTHOUSE ELECTRICAL CO., LTD. Input unit of an electronic lock
Patent Priority Assignee Title
4765193, Jun 08 1987 UNITED STATES OF AMERICA, THE, AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE Oxygen system analyzer
4779446, Jul 12 1985 CREDITANSTALT CORPORATE FINANCE, INC Oxygen monitor
238887,
D296823, Jan 25 1985 Sumitomo Electric Industries, Ltd. Percutaneous gas monitor
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 08 1990KROLOPP, RUDYJ AND N ASSOCIATES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0055110810 pdf
Oct 11 1990J and N Associates, Inc.(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule