Ventilation grids
Description
FIG. 1 is a perspective view of a first embodiment of a ventilation grid in accordance with the present invention;
FIG. 2 is a bottom view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is a perspective view of a second embodiment of a ventilation grid in accordance with the present invention;
FIG. 6 is a bottom view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a side view thereof;
FIG. 9 is a perspective view of a third embodiment of a ventilation grid in accordance with the present invention;
FIG. 10 is a top view thereof;
FIG. 11 is a bottom view thereof; and,
FIG. 12 is a side view thereof.
Claims
The ornamental design for ventilation grids, as shown.
Referenced Cited
Patent History
Patent number: D538422
Type: Grant
Filed: Aug 5, 2004
Date of Patent: Mar 13, 2007
Assignee: RDW Beheer B.V. (Oosterhout)
Inventor: Antonius Johannes Cornelis Hooijmaaijers (Oosterhout)
Primary Examiner: Catherine R. Oliver
Attorney: The Webb Law Firm
Application Number: 29/210,786
Type: Grant
Filed: Aug 5, 2004
Date of Patent: Mar 13, 2007
Assignee: RDW Beheer B.V. (Oosterhout)
Inventor: Antonius Johannes Cornelis Hooijmaaijers (Oosterhout)
Primary Examiner: Catherine R. Oliver
Attorney: The Webb Law Firm
Application Number: 29/210,786
Classifications
Current U.S. Class:
Flow Director (29) (D23/387)