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Class Information
Number: 248/417
Name: Supports > Stand > Standard type > Support surface revolves or rotates about vertical axis > Self-returning to normal facing position
Description: Device provided with a biasing means to move the support surface back to a preselected position upon the release of the force which revolves or rotates it.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7353985 |
Flexible and protective mailbox mount |
Apr. 8, 2008 |
| 7273202 |
Combined supporting base |
Sep. 25, 2007 |
| 7195146 |
Deflector mailbox support system |
Mar. 27, 2007 |
| 7163142 |
Damage resistant mailbox support structure |
Jan. 16, 2007 |
| 6662997 |
Mail receptacle |
Dec. 16, 2003 |
| 6378818 |
Multi-position sign-mounting system |
Apr. 30, 2002 |
| 6375385 |
Flexible support |
Apr. 23, 2002 |
| 6338464 |
Base assembly of indifferent equilibrium |
Jan. 15, 2002 |
| 6315262 |
Auto-returning height-control assembly for a chair |
Nov. 13, 2001 |
| 5890691 |
Bicycle seat support with rotationally-biased centering mechanism |
Apr. 6, 1999 |
| 5683065 |
Suspended seating apparatus |
Nov. 4, 1997 |
| 5524853 |
Swinging mailbox support |
Jun. 11, 1996 |
| 5411206 |
Self-righting protective structural device for a rural mailbox |
May. 2, 1995 |
| 5342012 |
Height adjusting mechanism for swivel chair |
Aug. 30, 1994 |
| 5277146 |
Laterally supported flexible sign |
Jan. 11, 1994 |
| 5265838 |
Hub construction for rotatable chair |
Nov. 30, 1993 |
| 5220747 |
Refrigerator door biasing mechanism |
Jun. 22, 1993 |
| 5167364 |
Rotatable mounting assembly for a rural mailbox |
Dec. 1, 1992 |
| 4995576 |
Mounting for roadside mailbox |
Feb. 26, 1991 |
| 4919383 |
Rotating display |
Apr. 24, 1990 |
| 4909464 |
Deflectable price channel-mounted sign holder |
Mar. 20, 1990 |
| 4729690 |
Self-righting highway marker support and method for installing same |
Mar. 8, 1988 |
| 4709894 |
Slip connector for weight actuated height adjustors |
Dec. 1, 1987 |
| 4667918 |
Rotatable mailbox pedestal |
May. 26, 1987 |
| 4613106 |
Mechanical adjustable column |
Sep. 23, 1986 |
| 4487452 |
Rotatable seat for an automotive vehicle |
Dec. 11, 1984 |
| 4428554 |
Free-standing support for a lamp or the like |
Jan. 31, 1984 |
| 4395012 |
Support for a mailbox |
Jul. 26, 1983 |
| 3999702 |
Mailbox standard |
Dec. 28, 1976 |
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