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The ornamental design for a locking valve cover, as shown and described. |
FIG. 1 is a front elevational view of a locking valve cover showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view thereof; and
FIG. 6 is a right side elevational view thereof.
Patent | Priority | Assignee | Title |
D294169, | Nov 18 1985 | PRAXAIR TECHNOLOGY, INC | Gas storage cylinder valve cover |
D294170, | Nov 18 1985 | PRAXAIR TECHNOLOGY, INC | Gas storage cylinder valve cover |
D294171, | Nov 18 1985 | PRAXAIR TECHNOLOGY, INC | Gas storage cylinder valve cover |
D305927, | Mar 27 1986 | Swagelok Company | Nut lock plate |
D329686, | Jun 14 1990 | Cherne Industries Incorporated | Pipe plug latch unit |
D329687, | Jun 14 1990 | Cherne Industries Incorporated | Pipe plug lock unit |
D630300, | Jun 26 2008 | Valve lock | |
D755351, | Jun 05 2015 | Valve lock | |
D939668, | Feb 14 2018 | LOTO SAFETY PRODUCTS DMCC | Wheel valve lockout device |
Patent | Priority | Assignee | Title |
3960168, | Sep 04 1975 | Cooper Industries, Inc | Valve locking device |
4352370, | Oct 16 1980 | Pressure vessel valve housing | |
134606, | |||
186915, | |||
208016, | |||
211875, | |||
236617, | |||
D245255, | Feb 25 1976 | Vent cover |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 11 1983 | Wel-Loc, Inc. | (assignment on the face of the patent) | / | |||
Nov 11 1985 | JACK, CHARLES G | WEL-LOC INC , A CORP OF OK | ASSIGNMENT OF ASSIGNORS INTEREST | 004480 | /0305 |
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