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Class Information
Number: 362/402
Name: Illumination > Supports > Counterbalanced support > Spring counterbalance
Description: Subject matter wherein the force equalizing means is a resilient member.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6918689 |
Pivoting auxiliary vehicle light assembly |
Jul. 19, 2005 |
| 6918686 |
Assembled lamp retaining device |
Jul. 19, 2005 |
| 6860630 |
Lamp assembly device with detachable lamp rod |
Mar. 1, 2005 |
| 6814473 |
Lamp with hinged adjustable arm structure |
Nov. 9, 2004 |
| 6805477 |
Assembled lamp with detachable lamp rod and lamp seat |
Oct. 19, 2004 |
| 6793380 |
Adjustable progressive joint-brake system |
Sep. 21, 2004 |
| 6758585 |
Articulated, adjustable stand |
Jul. 6, 2004 |
| 6676281 |
Rail lighting system |
Jan. 13, 2004 |
| 6663266 |
Lighting fixture for optionally positioning lamp device |
Dec. 16, 2003 |
| 6543914 |
Stand arrangement |
Apr. 8, 2003 |
| 6488387 |
Adjustable height grow light |
Dec. 3, 2002 |
| 6328458 |
Support arm for surgical light apparatus |
Dec. 11, 2001 |
| 6074075 |
Centering device for high mast lighting system |
Jun. 13, 2000 |
| 6027233 |
Counterbalanced lamp having a resiliently bowed spring lever |
Feb. 22, 2000 |
| 6012821 |
Support arm for surgical light apparatus |
Jan. 11, 2000 |
| 5971572 |
Device for angularly positioning a mass relative to a horizontal support axis and a lighting apparatus provided with such a device |
Oct. 26, 1999 |
| 5613771 |
Swings out of the way articulated magnifying lamp |
Mar. 25, 1997 |
| 5586820 |
Multidirectional task lamp |
Dec. 24, 1996 |
| 5396409 |
Halogen lamp |
Mar. 7, 1995 |
| 5339233 |
Lamp assembly |
Aug. 16, 1994 |
| 5333103 |
Halogen lamp |
Jul. 26, 1994 |
| 5170975 |
Articulated arm with spring for counterbalancing |
Dec. 15, 1992 |
| 5147132 |
Swivel means for lighting fixture |
Sep. 15, 1992 |
| 5065297 |
Study lamp |
Nov. 12, 1991 |
| 5025359 |
Counterbalanced arm for a lighthead |
Jun. 18, 1991 |
| 5016153 |
Articulated arm lamp |
May. 14, 1991 |
| 5003442 |
Movable lighting apparatus |
Mar. 26, 1991 |
| 4770384 |
Movable stand |
Sep. 13, 1988 |
| 4744019 |
Counterbalanced arm assembly |
May. 10, 1988 |
| 4692849 |
Heat free examination light with fully rotatable head and arm |
Sep. 8, 1987 |
| 4651263 |
Support of sun tanning canopies |
Mar. 17, 1987 |
| 4600009 |
Tanning system |
Jul. 15, 1986 |
| 4494177 |
Articulated task lamp |
Jan. 15, 1985 |
| 4429355 |
Luminaire raising and lowering system |
Jan. 31, 1984 |
| 4316238 |
Light fixture and elevator therefor |
Feb. 16, 1982 |
| 4228488 |
Luminaire raising and lowering system |
Oct. 14, 1980 |
| 4213172 |
Movable stand, particularly for lampholders and lamp carrier thereon |
Jul. 15, 1980 |
| 4165530 |
Articulated-arm supporting member, especially for lamps |
Aug. 21, 1979 |
| 4160536 |
Counterbalanced arm |
Jul. 10, 1979 |
| 4107769 |
Balanced single horizontal suspension arm |
Aug. 15, 1978 |
| 4080530 |
Equapoised lamp and new counterbalanced arm assemblies |
Mar. 21, 1978 |
| 3973656 |
Suspended fixture assembly |
Aug. 10, 1976 |
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