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Class Information
Number: 49/386
Name: Movable or removable closures > With means mounting closure for swinging > With biasing means
Description: Device provided with means for urging or retaining the closure to an open or a close position by a biasing action thereon, e.g., spring weight.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621419 |
Door operating mechanism and unit |
Nov. 24, 2009 |
| 7555867 |
Swing door operator |
Jul. 7, 2009 |
| 7552958 |
Vehicle tailgate movement assist mechanism using plunger |
Jun. 30, 2009 |
| 7469953 |
Gooseneck hinge assembly for vehicle |
Dec. 30, 2008 |
| 7344211 |
Door-closing device |
Mar. 18, 2008 |
| 7343118 |
Door shock absorber and image forming apparatus employing the same |
Mar. 11, 2008 |
| 7290370 |
Assist mechanism for lifting and closing large enclosures |
Nov. 6, 2007 |
| 7263989 |
High-frequency heating apparatus equipped with oven hood |
Sep. 4, 2007 |
| 7261356 |
Trailer |
Aug. 28, 2007 |
| 7240941 |
Vehicle storage assembly with adjustable door |
Jul. 10, 2007 |
| 7216459 |
Access hatch cover assembly with lift-assist assembly and method therefor |
May. 15, 2007 |
| 7195300 |
Tailgate counterbalancing hinge |
Mar. 27, 2007 |
| 7192072 |
Movable panel assembly |
Mar. 20, 2007 |
| 7156441 |
Tailgate counterbalancing hinge |
Jan. 2, 2007 |
| 7155777 |
Closure mechanism for hinged devices |
Jan. 2, 2007 |
| 7143547 |
Spring assisted swing door operator |
Dec. 5, 2006 |
| 7127849 |
Manway lift device having an adjustable biasing assembly therefor |
Oct. 31, 2006 |
| 7055160 |
Bezel door for computer enclosure |
May. 30, 2006 |
| 7040245 |
Hinge assembly for a hatch cover of a watercraft |
May. 9, 2006 |
| 6976723 |
Tailgate assemblies |
Dec. 20, 2005 |
| 6955133 |
Self-deploying safety brace spring |
Oct. 18, 2005 |
| 6905156 |
Automotive closure panel with pivot-mounted alignment system |
Jun. 14, 2005 |
| 6892424 |
Single link hinge assembly with break-away link |
May. 17, 2005 |
| 6874837 |
Lift assisted tailgate system for automotive vehicle |
Apr. 5, 2005 |
| 6857675 |
Damper unit and glove box device using the same |
Feb. 22, 2005 |
| 6846030 |
Vehicle closure panel with torsion bar assist and integral vibration damping |
Jan. 25, 2005 |
| 6820920 |
Vehicle rear structure |
Nov. 23, 2004 |
| 6820910 |
Tailgate lift assist system |
Nov. 23, 2004 |
| 6799395 |
Horizontal door lift |
Oct. 5, 2004 |
| 6799785 |
Glove box door damping device |
Oct. 5, 2004 |
| 6793264 |
Closing device, in particular for a motor vehicle |
Sep. 21, 2004 |
| 6793263 |
Pickup truck with lift assisted tailgate system |
Sep. 21, 2004 |
| 6789357 |
Lift assist mechanism for lifting large enclosures |
Sep. 14, 2004 |
| 6773047 |
Lift assist mechanism for vehicle tailgates |
Aug. 10, 2004 |
| 6769729 |
Automotive tailgate with lift assist system-I |
Aug. 3, 2004 |
| 6766562 |
Extendible hinge |
Jul. 27, 2004 |
| 6719851 |
Lid assembly for opening a process chamber lid and uses therefor |
Apr. 13, 2004 |
| 6711856 |
Door opener assist device |
Mar. 30, 2004 |
| 6655090 |
Vertically opening gate apparatus |
Dec. 2, 2003 |
| 6560931 |
Hatch assembly with modular installation construction and hatch cover lift assembly |
May. 13, 2003 |
| 6523788 |
Model railroad crossing gate |
Feb. 25, 2003 |
| 6510586 |
Door closer |
Jan. 28, 2003 |
| 6493999 |
Roof window with an improved securing device |
Dec. 17, 2002 |
| 6494280 |
Telescoping torsion bar vehicle hood assist system |
Dec. 17, 2002 |
| 6487754 |
Spring loaded hood support |
Dec. 3, 2002 |
| 6453510 |
Single link dual-contact point hinge assembly |
Sep. 24, 2002 |
| 6453804 |
Hinge assembly for a door of kimchi storage device |
Sep. 24, 2002 |
| 6447043 |
Vehicle closure assembly with hinge |
Sep. 10, 2002 |
| 6397836 |
Damped oven door mounting assemblies |
Jun. 4, 2002 |
| 6385909 |
Lockable, cammed door flap for pets |
May. 14, 2002 |
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