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Class Information
Number: D23/388
Name: Environmental heating and cooling; fluid handling and sanitary equipment > Heating or cooling > Element or attachment, not elsewhere specified > Flow director (29) > Register or diffuser
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| D569492 |
Ventilation grille |
May. 20, 2008 |
| D568460 |
Ventilation grille |
May. 6, 2008 |
| D567932 |
Ventilation grille |
Apr. 29, 2008 |
| D567933 |
Ventilation grille |
Apr. 29, 2008 |
| D567931 |
Ventilation grille |
Apr. 29, 2008 |
| D567355 |
Ventilation grille |
Apr. 22, 2008 |
| D567354 |
Ventilation grille |
Apr. 22, 2008 |
| D567353 |
Ventilation grille |
Apr. 22, 2008 |
| D567352 |
Ventilation grille |
Apr. 22, 2008 |
| D566261 |
Air diffuser |
Apr. 8, 2008 |
| D566262 |
Ventilation grille |
Apr. 8, 2008 |
| D565722 |
Ventilation grille |
Apr. 1, 2008 |
| D563542 |
Vent intake |
Mar. 4, 2008 |
| D559969 |
Radial air flow controller |
Jan. 15, 2008 |
| D556885 |
Air vent cover |
Dec. 4, 2007 |
| D544090 |
Radial diffuser |
Jun. 5, 2007 |
| D542907 |
Clamp |
May. 15, 2007 |
| D541927 |
Ventilating louver |
May. 1, 2007 |
| D522125 |
Floor register grille |
May. 30, 2006 |
| D521631 |
Air diffuser |
May. 23, 2006 |
| D520626 |
Ventilator |
May. 9, 2006 |
| D519626 |
Floor register grille |
Apr. 25, 2006 |
| D518566 |
Floor register |
Apr. 4, 2006 |
| D517678 |
Air diffuser |
Mar. 21, 2006 |
| D517191 |
Contemporary register cover |
Mar. 14, 2006 |
| D510997 |
Scroll register cover |
Oct. 25, 2005 |
| D507048 |
Louvered vent cover with insect screen |
Jul. 5, 2005 |
| D496992 |
Air ventilation grill |
Oct. 5, 2004 |
| D494669 |
Vent with rectangular box and peripheral flange |
Aug. 17, 2004 |
| D493880 |
Louvered vent with insect screen |
Aug. 3, 2004 |
| D478977 |
Register cover |
Aug. 26, 2003 |
| D476407 |
Damper for round duct |
Jun. 24, 2003 |
| D470233 |
Ventilation grill for attachment to an equipment enclosure door or panel |
Feb. 11, 2003 |
| D462757 |
Heating register |
Sep. 10, 2002 |
| D436162 |
Multipurpose grille |
Jan. 9, 2001 |
| D434489 |
Slant top air diffuser |
Nov. 28, 2000 |
| D434488 |
Air diffuser |
Nov. 28, 2000 |
| D407480 |
Register faceplate |
Mar. 30, 1999 |
| D399940 |
Supply air device |
Oct. 20, 1998 |
| D399941 |
Supply air device |
Oct. 20, 1998 |
| 5792230 |
Air register with filter element |
Aug. 11, 1998 |
| D394695 |
Electric baseboard heater facade |
May. 26, 1998 |
| D393708 |
Heat register |
Apr. 21, 1998 |
| D387155 |
Air diffuser guard |
Dec. 2, 1997 |
| D382549 |
Ventilation cover |
Aug. 19, 1997 |
| D379502 |
Air diffuser for discharge ducts of air distribution systems |
May. 27, 1997 |
| D378851 |
Floor register |
Apr. 15, 1997 |
| D378852 |
Floor register |
Apr. 15, 1997 |
| D377083 |
Floor register grille |
Dec. 31, 1996 |
| D376006 |
Floor register |
Nov. 26, 1996 |
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