Baths – closets – sinks – and spittoons – Flush closet bowl support – coupling – seal or fastener – Flange with aperture for fastener
Reexamination Certificate
2002-08-20
2004-06-22
Bennett, Henry (Department: 3743)
Baths, closets, sinks, and spittoons
Flush closet bowl support, coupling, seal or fastener
Flange with aperture for fastener
C004S252100, C004S252500
Reexamination Certificate
active
06751812
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to the field of closet flanges used to secure and support toilet appliances commonly known as water closets or commodes on bathroom floors, and in particular to one in which the upper surface of the flange is slightly above in accordance with this invention when finally installed.
BACKGROUND OF THE INVENTION
Presently existing closet flanges known to the prior art do not have their upper surfaces level with the finished floor or slightly above when finally installed unless linoleum flooring is used, but below the level of the finished floor when ¾ inch hardwood floors are laid or tile with ⅜ inch or ½ inch Durrock type material is used.
SUMMARY OF THE INVENTION
The present invention solves this problem with prior art closet flanges by providing a flange having a vertical dimension or thickness that is sufficient to reach the level of the bathroom floor when the closet flange unit in accordance with this invention is installed.
REFERENCES:
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patent: 3643267 (1972-02-01), Winter
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patent: 4730854 (1988-03-01), Cuschera
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patent: 2003/0093855 (2003-05-01), Rendell
Bennett Henry
Flynn Amanda
Malloy Mark B.
Toler Larson & Abel, LLP
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