|
The ornamental design for sight glass for sprinkler system lines, as shown and described. |
FIG. 1 is a left front perspective view of an embodiment of a sight glass for sprinkler system lines showing my new design;
FIG. 2 is a front view thereof, the opposite side being the mirror image thereof;
FIG. 3 is a left end view thereof;
FIG. 4 is a right end view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a left front perspective view of a second embodiment of the design;
FIG. 7 is a front view thereof, the opposite side being the mirror image thereof;
FIG. 8 is an left end view thereof;
FIG. 9 is a right end view thereof; and,
FIG. 10 is a bottom view thereof.
Patent | Priority | Assignee | Title |
6499439, | Jun 15 2001 | Triad Metal Products Company | Modular stamped sight glass assembly |
D520392, | Sep 01 2004 | ARNO, MICHAEL J | Inline, point-of-use air/gas dryness indicator |
D606437, | Jul 22 2008 | Danfoss Tianjin Ltd. | Sight glass applied in refrigeration system |
D606438, | Jul 22 2008 | Danfoss Tianjin Ltd. | Sight glass applied in refrigeration system |
D606439, | Jul 22 2008 | Danfoss Tianjin Ltd. | Sight glass applied in refrigeration system |
D845161, | Aug 03 2016 | VEGA Grieshaber KG | Fill level measuring device |
Patent | Priority | Assignee | Title |
4788929, | Jun 14 1988 | Parker Intangibles LLC | Fluid indicator for refrigeration system |
D256000, | Apr 07 1978 | Mobil Oil AB Sweden | Fluid flow indicator |
D315526, | Jul 07 1988 | Amoco Corporation | Flow indicator for a fuel dispenser |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 06 1998 | BERKELHAMMER, MICHAEL A | UNITED BRASS WORKS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009176 | /0344 | |
Apr 16 1998 | United Brass Works, Inc. | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |