Baths – closets – sinks – and spittoons – Obstruction remover
Reexamination Certificate
2005-09-13
2005-09-13
Huynh, Khoa D. (Department: 3751)
Baths, closets, sinks, and spittoons
Obstruction remover
C004S255040, C004S255060
Reexamination Certificate
active
06941589
ABSTRACT:
A drain clearing device for use on unvented plumbing fixtures having a drain and a holding tank is provided having a valve body. The valve body has a first end and a second end with a fluid flow channel therethrough, and a valve connected to a handle actuated to open and close to valve. A first fitting member and a second fitting member are connected to the first and second end of the valve body, respectively. Each of the first and second fitting members has a threaded portion on an interior sidewall thereof. A hose adaptor is connected to the first fitting member. A pipe has a first end and a second end is provided. The first end of the pipe has a threaded portion engageable with the threaded portions of the first and second fitting members to fasten the pipe in a retracted or extended position. The second end of the pipe has a seal. The seal is sufficiently compressible such that when it is pressed against the drain of the plumbing fixture, a fluid tight seal is obtained.
REFERENCES:
patent: 2061553 (1936-11-01), Acosta
patent: 2413997 (1947-01-01), Rosa
patent: 2753876 (1956-07-01), Kurt
patent: 2755810 (1956-07-01), Kurt
patent: 3075535 (1963-01-01), Lasting
patent: 3537113 (1970-11-01), Elzner
patent: 3595255 (1971-07-01), Mulinex
patent: 3644943 (1972-02-01), Leonardo et al.
patent: 3714951 (1973-02-01), Lundman
patent: 3792708 (1974-02-01), Tash
patent: 3802449 (1974-04-01), Mulinex
patent: 3840033 (1974-10-01), Warsinger
patent: 3937404 (1976-02-01), Johnson
patent: 3952341 (1976-04-01), Cain
patent: 4137578 (1979-02-01), Felici
patent: 4144598 (1979-03-01), Li
patent: 4320539 (1982-03-01), Li
patent: 4354515 (1982-10-01), Sutherland
patent: 4447917 (1984-05-01), Walter
patent: 4475255 (1984-10-01), Tash
patent: 4552515 (1985-11-01), Endo
patent: 4606364 (1986-08-01), Tash
patent: 4660603 (1987-04-01), Tash
patent: 4672988 (1987-06-01), Tash
patent: 4674137 (1987-06-01), Girse
patent: 4745641 (1988-05-01), Tash
patent: 4756480 (1988-07-01), Fish
patent: 4768237 (1988-09-01), Torti
patent: 4825900 (1989-05-01), Tash
patent: 4865062 (1989-09-01), Tash
patent: 4895178 (1990-01-01), McHugh
patent: 4957123 (1990-09-01), McHugh
patent: 4986311 (1991-01-01), Mikkelson
patent: 5085244 (1992-02-01), Funk
patent: 5253664 (1993-10-01), Wilson
patent: 5329646 (1994-07-01), Bevacco et al.
patent: 5384918 (1995-01-01), Leighton et al.
patent: 5524296 (1996-06-01), Leighton
patent: 5727580 (1998-03-01), Patterson
patent: 6163895 (2000-12-01), Davenport
patent: 2003/0230325 (2003-12-01), Barcay et al.
patent: 2004/0133970 (2004-07-01), Gonzalez
Brines Christopher L.
Dural Richard E.
Huynh Khoa D.
Stetina Brunda Garred & Brucker
STM Enterprises, Inc.
LandOfFree
Method and apparatus for clearing plugged pipes does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for clearing plugged pipes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for clearing plugged pipes will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3418859