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Class Information
Number: 52/733.1
Name: Static structures (e.g., buildings) > Shaft (i.e., elongated rigid structure) > Ceiling hanger
Description: Structure wherein the shaft is intended to be located and configured to support an interior overhead panel, tile, etc.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7293393 |
Perimeter clip for seismic ceilings |
Nov. 13, 2007 |
| 7143562 |
Suspension system and structure for securing border ceiling panels |
Dec. 5, 2006 |
| 7017317 |
Decorative ceiling panel and fastening system |
Mar. 28, 2006 |
| 6957517 |
Splice plate for faceted radius grid |
Oct. 25, 2005 |
| 6843033 |
Connecting mechanism for ceiling panel supporting stringers |
Jan. 18, 2005 |
| 6840021 |
System for installing suspended ceiling |
Jan. 11, 2005 |
| 6751922 |
Faceted radius grid |
Jun. 22, 2004 |
| 6729096 |
System for installing suspended ceiling |
May. 4, 2004 |
| 6722098 |
Beam for drywall ceiling |
Apr. 20, 2004 |
| 6701686 |
Ceiling grid with seal |
Mar. 9, 2004 |
| 6523314 |
Ceiling grid with resilient centering tabs |
Feb. 25, 2003 |
| 6434908 |
Method of caps fabricating rigid section bars to be articulated manually |
Aug. 20, 2002 |
| 6173544 |
Ceiling system and also a lath suitable for such a ceiling system |
Jan. 16, 2001 |
| 6155017 |
Truss structure |
Dec. 5, 2000 |
| 6047511 |
Grid tee with integrally stitched web |
Apr. 11, 2000 |
| 6041564 |
Clinched double web grid tee |
Mar. 28, 2000 |
| 6003279 |
Sunroom enclosure |
Dec. 21, 1999 |
| 5898987 |
Method of installing acoustical ceiling grid |
May. 4, 1999 |
| 5806261 |
Head track for a wall system |
Sep. 15, 1998 |
| 5694735 |
Method and a tool for crimping a tee or main |
Dec. 9, 1997 |
| 5390456 |
Decorative suspended ceiling |
Feb. 21, 1995 |
| 5325647 |
Composite ceiling grid |
Jul. 5, 1994 |
| 5315805 |
Device for erecting walls or ceilings, especially in exhibition constructions |
May. 31, 1994 |
| 5241798 |
Decorative suspended ceiling |
Sep. 7, 1993 |
| 5195289 |
Trim system for suspension ceilings |
Mar. 23, 1993 |
| 5088261 |
Curved grid tees for suspension ceilings |
Feb. 18, 1992 |
| 5033247 |
Clean room ceiling construction |
Jul. 23, 1991 |
| 4967530 |
Clean room ceiling construction |
Nov. 6, 1990 |
| 4932186 |
Reinforced bead |
Jun. 12, 1990 |
| 4926606 |
Ornamental ceiling system |
May. 22, 1990 |
| 4901485 |
Acoustical panel |
Feb. 20, 1990 |
| 4893444 |
Fire expansion joint for ceiling runner |
Jan. 16, 1990 |
| 4881355 |
Cold roll-formed structures and method and apparatus for producing same |
Nov. 21, 1989 |
| 4852325 |
Reinforced bead |
Aug. 1, 1989 |
| 4817357 |
Suspension ceiling grid tee |
Apr. 4, 1989 |
| 4794745 |
Tier drop grid system |
Jan. 3, 1989 |
| 4785595 |
Fire-rated main runner |
Nov. 22, 1988 |
| 4783946 |
Supporting rail for lower ceilings and attachments |
Nov. 15, 1988 |
| 4730433 |
End detail for ceiling runner |
Mar. 15, 1988 |
| 4727700 |
Ceiling or wall having improved fire resistance and method of installing the same |
Mar. 1, 1988 |
| 4720944 |
Suspended ceiling panel retaining system |
Jan. 26, 1988 |
| 4713919 |
Laser welded ceiling grid members |
Dec. 22, 1987 |
| 4606110 |
Tool and method for positioning ceiling runners |
Aug. 19, 1986 |
| 4570391 |
Connector for a filter bank supporting framework and method of assembling same |
Feb. 18, 1986 |
| 4554718 |
Method of reinforcing a ceiling runner |
Nov. 26, 1985 |
| 4549383 |
Suspended ceiling grid system |
Oct. 29, 1985 |
| 4549375 |
Ceiling construction |
Oct. 29, 1985 |
| 4548010 |
Concealed suspended ceiling system |
Oct. 22, 1985 |
| 4542615 |
Drop ceiling framework |
Sep. 24, 1985 |
| 4541215 |
Snap-in ceiling system |
Sep. 17, 1985 |
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