Patent
   D529061
Priority
Jul 27 2005
Filed
Jul 27 2005
Issued
Sep 26 2006
Expiry
Sep 26 2020
Assg.orig
Entity
unknown
7
9
n/a
The ornamental design for a sight glass, as shown and described.

FIG. 1 is a left front perspective view of a sight glass showing my new design, the bottom is a mirror image of the top;

FIG. 2 is a front elevational view thereof, the undisclosed rear is unornamented and not part of the claimed design; and,

FIG. 3 is a right side elevational view thereof, the left side is a mirror image.

Sprague, Curtis

Patent Priority Assignee Title
D596861, Mar 09 2007 Plate for supporting a picture
D614680, Jul 28 2009 A O SMITH CORP Sight glass and frame
D633541, Mar 03 2010 Spark Innovators, Inc. Book light and magnifying glass
D645068, Jun 04 2010 MAXELL HOLDINGS, LTD ; MAXELL, LTD Lens for projector
D647931, Jun 04 2010 MAXELL HOLDINGS, LTD ; MAXELL, LTD Lens for projector
D832918, Mar 02 2016 ACCO Brands Corporation Dry erase board
ER2203,
Patent Priority Assignee Title
2312542,
2450330,
2538502,
374645,
3935656, May 17 1974 Picture frame system
4176480, Jan 09 1978 Fred F., Solomon Poster supporting frame
4282668, Nov 20 1979 Product Planning & Development, Inc. Mounting system and method
5950288, Jun 23 1997 Urn for housing of ashes
6055757, Feb 17 1995 INTER IKEA SYSTEMS B V Picture frame
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 26 2005SPRAGUE, CURTISBranham CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0169430943 pdf
Jul 27 2005Branham Corporation(assignment on the face of the patent)
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