| 4077434 | Sealed lay-in conduit duct | March, 1978 | Sieckert | |
| 4907767 | Stackable modular duct assemblies | March, 1990 | Corsi | |
| 4951716 | Locking mechanism | August, 1990 | Tsunoda | |
| D318742 | Supporting channel for ceiling mounted track lighting system | July, 1991 | Miller | D26/140 |
| D320782 | Guiding trough downspout for optical fibers | October, 1991 | Henneberger | D13/155 |
| D321682 | Guiding through, 90 degree down elbow for optical fibers | November, 1991 | Henneberger | |
| D321862 | Guiding trough, horizontal T for optical fibers | November, 1991 | Henneberger | |
| 5067678 | Optic cable management system | November, 1991 | Henneberger | |
| 5160811 | Duct transition converter and flexible connectors including same | November, 1992 | Ritzmann | |
| 5161580 | Cable duct fitting with removable cover | November, 1992 | Klug | |
| 5240209 | Telecommunication multiple cable carrier | August, 1993 | Kutsch | |
| 5271585 | Modular fiber optics raceway permitting flexible installation | December, 1993 | Zetena, Jr. | |
| 5316243 | Optic cable management | May, 1994 | Henneberger | |
| 5316244 | Supporting brackets for cable raceways | May, 1994 | Zetena, Jr. | |
| 5335349 | Telecommunication overhead cable distribution assembly | August, 1994 | Kutsch | |
| 5469893 | Tab and slot fiber optic fitting | November, 1995 | Caveney | |
| 5503354 | Telecommunication overhead cable distribution universal support bracket | April, 1996 | Lohf | |
| 5709249 | Locking structure | January, 1998 | Okada et al. | 138/162 |
| 5752781 | Fiber trough coupling | May, 1998 | Haataja | |
| 5753855 | Wiring duct fittings | May, 1998 | Nicoli | |
| 5899025 | Furniture system (pathways-spaceframe) | May, 1999 | Casey | |
| 5923753 | Optic cable exit trough with bypass | July, 1999 | Haataja | |
| 5937131 | Optical cable exit trough | August, 1999 | Haataja | |
| 5995699 | Fiber optic cable raceway system cross reference to related applications | November, 1999 | Vargas | |
| 6037538 | Cable raceway | March, 2000 | Brooks | |
| 6037543 | Wiring duct fittings | March, 2000 | Nicoli | |
| 6076779 | Cable guiding trough | June, 2000 | Johnson | |
| 6107575 | Cable channel section | August, 2000 | Miranda | |
| 6198047 | Cable tray with power channel | March, 2001 | Barr | |
| 6450458 | Cable duct coupler with locking clip | September, 2002 | Bernard | |
| 6481036 | Modular cable protector having removable wheel chair ramps | November, 2002 | Duvall | 14/69.5 |
| 6522823 | Low profile cable exit trough | February, 2003 | Wentworth | |
| 6535683 | Cable exit trough with cover | March, 2003 | Johnson | |
| D473522 | Raceway fitting | April, 2003 | Dyer et al. | D13/155 |
| 6559378 | Reducer fitting for routing system | May, 2003 | Bernard | |
| 6603073 | Snap together cable trough system | August, 2003 | Ferris | 174/68.3 |
| 6625373 | Cable exit trough with insert | September, 2003 | Wentworth | |
| 6631875 | Cable trough with separate side elements | October, 2003 | Kampf | |
| 6634605 | Cable duct coupler | October, 2003 | Bernard | |
| 6677533 | Split fiber cover and raceway fitting | January, 2004 | Bernard et al. | 174/101 |
| 6708918 | Cable guiding fins | March, 2004 | Ferris | |
| 6709186 | Coupler for cable trough | March, 2004 | Ferris | |
| 6715719 | Coupler for cable trough | April, 2004 | Nault | |
| 6727434 | Accessory for trunking comprising lengths of trunking with different heights | April, 2004 | Jadaud | |
| 6739795 | Telescoping trough | May, 2004 | Haataja | |
| 7034227 | Cable trough | April, 2006 | Fox | |
| 7045707 | Surface mounted perimeter raceway offset assembly | May, 2006 | Galasso | |
| D539228 | Vertical cable manager | March, 2007 | Toikka et al. | D13/155 |
| 20020096606 | Cable duct coupler | July, 2002 | Bernard | |
| 20030047343 | Snap together cable trough system | March, 2003 | Ferris | 174/68.3 |
| 20040124321 | Cable trough method with separate side elements | July, 2004 | Kampf | |
| 20070092196 | Cable trough system and method | April, 2007 | Bayazit |
| DE1130492 | May, 1962 | |||
| DE3742448 | June, 1989 | |||
| DE29610947 | August, 1996 | |||
| EP0863594 | September, 1998 | Electrical installation | ||
| EP0933850 | August, 1999 | A modular ducting device | ||
| FR2238828 | February, 1975 | |||
| FR2735557 | December, 1996 | |||
| JP5172281 | July, 1993 | |||
| SU1272387 | November, 1986 |
FIG. 1 is a first top perspective view of the fiber trough snaps.
FIG. 2 is a second top perspective view thereof.
FIG. 3 is a first bottom perspective view thereof.
FIG. 4 is a second bottom perspective view thereof.
FIG. 5 is a first side view thereof.
FIG. 6 is a second side view thereof.
FIG. 7 is a third side view thereof.
FIG. 8 is a fourth side view thereof.
FIG. 9 is a top view thereof; and,
FIG. 10 is a bottom view thereof.
The broken line showing aspects of the fiber trough horizontal T component is for the purpose of illustrating environmental structure and forms no part of the claimed design.