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Class Information
Number: 4/256.1
Name: Baths, closets, sinks, and spittoons > Debris catcher for a flush closet or clean out plug
Description: Subject matter comprising either a collector for a flush closet that intercepts miscellaneous foreign objects before they can clog a trap or sewer line; or an access with a fitted sealing cover for a sink, bath, or flush closet that provides an entrance to a trap or a sewer line.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7216377 |
Siphon for sink or similar element |
May. 15, 2007 |
| 7120949 |
Multi-purpose drain |
Oct. 17, 2006 |
| 7107634 |
Method and apparatus for cleaning a conduit |
Sep. 19, 2006 |
| 7096516 |
Alarming plumbing screen |
Aug. 29, 2006 |
| 7005077 |
Shipboard human waste treatment for removing solids |
Feb. 28, 2006 |
| 6880178 |
Line guard with visible indicator |
Apr. 19, 2005 |
| 6787210 |
Absorbent pad for use with urinal |
Sep. 7, 2004 |
| 6721965 |
Toilet bowl screen |
Apr. 20, 2004 |
| 6668389 |
Vacuum toilet |
Dec. 30, 2003 |
| 6494325 |
Toilet water-line filter |
Dec. 17, 2002 |
| 6385799 |
Plumbing sink trap |
May. 14, 2002 |
| 6265084 |
Absorbent pad for use with urinal |
Jul. 24, 2001 |
| 6212696 |
Toilet bowl with improved access opening |
Apr. 10, 2001 |
| 5546614 |
Refuse collector drainpipe insert |
Aug. 20, 1996 |
| 5267361 |
Drain trap |
Dec. 7, 1993 |
| 5144699 |
Plumbing drainage system |
Sep. 8, 1992 |
| 5117862 |
Back water trap |
Jun. 2, 1992 |
| 5075905 |
Drain trap assembly |
Dec. 31, 1991 |
| 5027447 |
Retractable guard for sewage pipes |
Jul. 2, 1991 |
| 4996725 |
Retractable guard for sewage pipes |
Mar. 5, 1991 |
| 4949406 |
Sink trap filter assembly |
Aug. 21, 1990 |
| 4932080 |
Retractable guard for sewage pipes |
Jun. 12, 1990 |
| 4879771 |
Floor clean-out assembly |
Nov. 14, 1989 |
| 4823411 |
Cleanout extension adaptor |
Apr. 25, 1989 |
| 4823416 |
Method and apparatus to prevent clogging of sewer lines |
Apr. 25, 1989 |
| 4555818 |
Waste line trap |
Dec. 3, 1985 |
| 4546789 |
Valved access fitting |
Oct. 15, 1985 |
| 4539718 |
Drainpipe strainer |
Sep. 10, 1985 |
| 4376313 |
Access port for a commode |
Mar. 15, 1983 |
| 4307476 |
Device for preventing clogging of main sewer lines |
Dec. 29, 1981 |
| 4301554 |
Drain trap |
Nov. 24, 1981 |
| 4203473 |
Closure plug assembly |
May. 20, 1980 |
| 4179762 |
Trap and solids removal assembly for drains |
Dec. 25, 1979 |
| 4051042 |
Fluid flow filtering arrangement |
Sep. 27, 1977 |
| 4032455 |
Traps for sinks, laundry tubs and the like |
Jun. 28, 1977 |
| 4010497 |
Toilet splash guard |
Mar. 8, 1977 |
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