US5388288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plumbing test and trap fitting
Assignee: Individual
•
Filing: 1993-05-21
•
Granted: 1995-02-14
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Expires: 2013-05-21
Abstract
Abstract A plumbing fitting serving both as a test closure and a trap bushing for a T-fitting. The test and trap fitting comprises a tubular member of circular cross section having an open end and an integrally closed end. The fitting can be inserted through an opening in a wall (if present) and into the intermediate port of a T-fitting constituting a pan of a soil pipe and a vent pipe assembly. The test and trap fitting has an outside diameter such that it is received in the intermediate port of the T-fitting with close tolerance, enabling a fluid-tight connection to be made in any appropriate manner such as by solvent welding. The test and trap fitting serves as a closure for the intermediate port of the T-fitting enabling pressure testing of the plumbing system, or the maintenance of head of water therein. The test and trap fitting can be cut substantially flush with the wall and serves as bushing to which a plumbing fixture trap can be connected in fluid-tight fashion by solvent welding and the like. The test and trap fitting can be reused until the majority of its length is consumed.
Inventors
- 👤 Donnie R. Fell, Sr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:32
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/11; F16L41/00; F16L41/02; F16L41/021; Y; Y10; Y10S; Y10S285/00; Y10S285/901
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
166 words
A plumbing fitting in combination with a soil pipe and vent pipe assembly, said assembly having an intermediate port, said plumbing fitting comprising a test closure, said test closure being a tubular member of circular cross section terminating in an open end and an opposite integrally closed end, said open end of said fitting being slidably received within said intermediate assembly port with a close tolerance fit, means for sealing said open end of said fitting in said intermediate port in fluid-tight fashion capable of withstanding air and water testing of said assembly, and a trap; whereby, upon completion of said testing, said fitting is severable via an appropriate cutting means into a first portion, which remains connected to said intermediate port and has a free end extending a desired distance from said intermediate port, and a second portion, said trap being attached to said fee end in a close tolerance fit; wherein, said second portion, which includes said closed end, is capable of being reused.
Claim 2
Dependent Claim
166 words
A plumbing fitting in combination with a soil pipe and vent pipe assembly, said assembly having an intermediate port, said plumbing fitting comprising a test closure, said test closure being a tubular member of circular cross section terminating in an open end and an opposite integrally closed end, said open end of said fitting being slidably received within said intermediate assembly port with a close tolerance fit, means for sealing said open end of said fitting in said intermediate port in fluid-tight fashion capable of withstanding air and water testing of said assembly, and a trap; whereby, upon completion of said testing, said fitting is severable via an appropriate cutting means into a first portion, which remains connected to said intermediate port and has a free end extending a desired distance from said intermediate port, and a second portion, said trap being attached to said fee end in a close tolerance fit; wherein, said second portion, which includes said closed end, is capable of being reused.
Claim 3
Dependent Claim
25 words
The plumbing fitting claimed in claim 1 wherein said fitting, said soil pipe and vent pipe assembly and said trap are formed of plastic material.
Claim 4
Dependent Claim
21 words
The plumbing fitting claimed in claim 2 wherein said plastic material is chosen from the class consisting of ABS and PVC.
Claim 5
Dependent Claim
22 words
The plumbing fitting claimed in claim 2 wherein said means for sealing is chosen from the class consisting of adhesives and solvents.
Claim 6
Dependent Claim
45 words
The plumbing fitting claimed in claim 1 wherein said soil pipe and vent pipe assembly comprises a soil pipe and a vent pipe joined by a T-fitting, said T-fitting having a center port comprising said intermediate port of said soil pipe and vent pipe assembly.
Claim 7
Dependent Claim
25 words
The plumbing fitting claimed in claim 5 wherein said fitting, said soil pipe and vent pipe assembly and said trap are formed of plastic material.
Claim 8
Dependent Claim
94 words
The plumbing fitting claimed in claim 6 wherein said soil pipe and said vent pipe comprise 1.5 inch schedule 40 pipe, said T-fitting comprises a schedule 40 T-fitting for use with said 1.5 inch schedule 40 pipe, said plumbing fitting having an outside diameter equal to the outside diameter of said 1.5 inch schedule 40 pipe, said trap being a schedule 40 trap for use with 1.5 inch schedule 40 pipe, said free end of said first portion of said fitting being received within an end of said trap with a close tolerance fit.
Claim 9
Dependent Claim
100 words
The plumbing fitting claimed in claim 6 wherein said soil pipe and said vent pipe comprise 1.5 inch schedule 40 pipe, said T-fitting comprises a schedule 40 T-fitting for use with said 1.5 inch schedule 40 pipe, said plumbing fitting having an outside diameter equal to the outside diameter of said 1.5 inch schedule 40 pipe, said trap being a tubular trap, said fitting having an internal diameter approximately the diameter of an end of said trap, said end of said trap being received within said free end of said first portion of said fitting with a close tolerance fit.
Claim 10
Dependent Claim
93 words
The plumbing fitting claimed in claim 6 wherein said soil pipe and said vent pipe comprise 2 inch schedule 40 pipe, said T-fitting comprises a schedule 40 T-fitting for use with 2 inch schedule 40 pipe, said plumbing fitting having an outside diamter equal to the outside diameter of said 2 inch schedule 40 pipe, said trap being a schedule 40 trap for use with 2 inch schedule 40 pipe, said free end of said first portion of said fitting being received within an end of said trap with a close tolerance fit.
Claim 11
Dependent Claim
98 words
The plumbing fitting claimed in claim 1 wherein said soil pipe and vent pipe assembly comprises a soil pipe and a vent pipe joined by a T-fitting, said T-fitting having a center port, a pipe section having first and second ends, said first end of said pipe section being connected to said center port of said T-fitting, an elbow having first and second ports, said second end of said pipe section being connected to said first port of said elbow, said second port of said elbow comprising said intermediate port of said soil pipe and vent pipe assembly.
Claim 12
Dependent Claim
25 words
The plumbing fitting claimed in claim 10 wherein said fitting, said soil pipe and vent pipe assembly and said trap are formed of plastic material.
Claim 13
Dependent Claim
99 words
The plumbing fitting claimed in claim 11 wherein said soil pipe, said vent pipe, and said pipe section comprise 1.5 inch schedule 40 pipe, said T-fitting and said elbow comprise schedule 40 fittings for use with said 1.5 inch schedule 40 pipe, said plumbing fitting having an outside diameter equal to the outside diameter of said 1.5 inch schedule 40 pipe, said trap being a schedule 40 trap for use with 1.5 inch schedule 40 pipe, said free end of said first portion of said fitting being received within an end of said trap with a close tolerance fit.
Claim 14
Dependent Claim
105 words
The plumbing fitting claimed in claim 11 wherein said soil pipe, said vent pipe, and said pipe section comprise 1.5 inch schedule 40 pipe, said T-fitting and said elbow comprise schedule 40 fittings for use with said 1.5 inch schedule 40 pipe, said plumbing fitting having an outside diameter equal to the outside diameter of said 1.5 inch schedule 40 pipe, said trap being a tubular trap, said fitting having an internal diameter approximating the diameter of an end of said trap, an end of said trap being received within said free end of said first portion of said fitting with a close tolerance fit.
Claim 15
Dependent Claim
98 words
The plumbing fitting claimed in claim 11 wherein said soil pipe, said vent pipe and said pipe section comprise 2 inch schedule 40 pipe, said T-fitting and said elbow comprise schedule 40 fittings for use with 2 inch schedule 40 pipe, said plumbing fitting having an outside diameter equal to the outside diameter of said 2 inch schedule 40 pipe, said trap being a schedule 40 trap for use with 2 inch schedule 40 pipe, said free end of said first portion of said fitting being received within an end of said trap with a close tolerance fit.
Claim 16
Dependent Claim
26 words
The plumbing fitting claimed in claim 1 wherein said free end of said first portion of said fitting is received within an end of said trap.
Claim 17
Dependent Claim
26 words
The plumbing fitting claimed in claim 1 wherein an end of said trap is received within said free end of said first portion of said fitting.
Claim 18
Dependent Claim
24 words
The plumbing fitting claimed in claim 1 wherein said fitting is formed of plastic material chosen from the class consisting of ABS and PVC.
References Cited (Backward Citations)
US848759A
Cited
US880436A
Cited
US1559704A
Cited
US1684571A
Cited
US1684572A
Cited
US1873274A
Cited
US1951645A
Cited
US1985733A
Cited
US2840113A
Cited
US3326243A
Cited
US3968000A
Cited
US4122592A
Cited
US4235259A
Cited
US4457542A
Cited
US4513786A
Cited
US4858652A
Cited
US4763510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-02-13 | 1998-08-15 | 1999-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-02-13 | 2002-08-15 | 2003-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-02-13 | 2006-08-15 | 2007-02-14 | $7700.00 | Window Closed / Lapsed |