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US3583675A Expired / Lapsed US ⏱️ 0.0 years remaining

Gate valve for toilet system for trailers

Assignee: Monogram Industries Inc
•
Filing: 1969-03-17
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Granted: 1971-06-08
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Expires: 1989-03-17
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Abstract

Abstract In a recirculating toilet construction having a tank with an outlet opening at its bottom, a gate slide valve is provided for draining the tank. The slide valve is sealingly mounted below the tank and has a second seal connecting the valve housing to an outlet pipe. A single bracket fastens the valve to the tank and to the outlet pipe.

Inventors

  • 👤 Norbert James Palmer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 16:49
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/016

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 157 words
A toilet system including a tank having an outlet opening at its bottom; a gate slide valve having a housing and a gate valve element slidably mounted in said housing; first means sealingly interconnecting said housing to said outlet opening, including a raised bead on said housing engaging a seal ring within a grooved portion of said tank; and outlet pipe; second means sealingly interconnecting said housing to said outlet pipe, including a flange secured to said outlet pipe; a second seal ring between said flange and said housing; a bracket element; first fastening means securing said bracket element to said tank to press the first-mentioned seal ring between said housing and said tank; and second fastening means securing said bracket element to said flange to press said second seal ring between said housing and said flange; said valve element being slidable in said housing to effect a communication between said outlet opening and said outlet pipe.
Claim 2
Dependent Claim 157 words
A toilet system including a tank having an outlet opening at its bottom; a gate slide valve having a housing and a gate valve element slidably mounted in said housing; first means sealingly interconnecting said housing to said outlet opening, including a raised bead on said housing engaging a seal ring within a grooved portion of said tank; and outlet pipe; second means sealingly interconnecting said housing to said outlet pipe, including a flange secured to said outlet pipe; a second seal ring between said flange and said housing; a bracket element; first fastening means securing said bracket element to said tank to press the first-mentioned seal ring between said housing and said tank; and second fastening means securing said bracket element to said flange to press said second seal ring between said housing and said flange; said valve element being slidable in said housing to effect a communication between said outlet opening and said outlet pipe.

References Cited (Backward Citations)

US211917A Cited
US1377185A Cited
US3033517A Cited
US3202175A Cited
US3232577A Cited
US3333814A Cited
US3367623A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-06-07 1974-12-07 1975-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-06-07 1978-12-07 1979-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-06-07 1982-12-07 1983-06-08 $7700.00 Window Closed / Lapsed

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