Patent US3914807A successfully refreshed from Google Patents.
US3914807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste plug turnstop
Assignee: Newfrey LLC
•
Filing: 1974-08-29
•
Granted: 1975-10-28
•
Expires: 1994-08-29
Abstract
Abstract A drain fitting of otherwise standard size and configuration has a plurality of indentations forming projections that serve to support a stopper in open position and permit the stopper to move to closed position, the stopper having a guide part provided with a peripheral groove receiving said indentations. The guide part is made of flexible, resilient material and snaps into registering relationship with the indentations.
Inventors
- 👤 Patsy B Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:22
CPC Classifications
A; A47; A47K; A47K1/00; A47K1/14
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
198 words
In a waste apparatus for plumbing fixtures: a. a drain fitting having a generally tubular part adapted to extend through an opening in a tub or other plumbing fixture; b. means forming a plurality of indentations extending inwardly of said tubular part; c. a stopper adapted to engage said fitting to close the said opening, said stopper having a guide; d. said guide being made at least in part of flexible and resilient material, and having a peripheral groove adapted to receive said indentations with the upper rim of said groove, by engagement with said indentations, determining an upward open position of said stopper; said guide also having recesses adjoining the said upper rim and operative at certain angular positions of said guide to allow said guide and said stopper to drop to closed position; e. a resilient part of said guide having slots extending downwardly from the lower rim of said groove to allow insertion and removal of said indentations from said groove by exertion of downward and upward force on said guide, said slots being restricted relative to the size of said indentations so that placement and removal of said guide is accomplished by snap action.
Claim 2
Dependent Claim
198 words
In a waste apparatus for plumbing fixtures: a. a drain fitting having a generally tubular part adapted to extend through an opening in a tub or other plumbing fixture; b. means forming a plurality of indentations extending inwardly of said tubular part; c. a stopper adapted to engage said fitting to close the said opening, said stopper having a guide; d. said guide being made at least in part of flexible and resilient material, and having a peripheral groove adapted to receive said indentations with the upper rim of said groove, by engagement with said indentations, determining an upward open position of said stopper; said guide also having recesses adjoining the said upper rim and operative at certain angular positions of said guide to allow said guide and said stopper to drop to closed position; e. a resilient part of said guide having slots extending downwardly from the lower rim of said groove to allow insertion and removal of said indentations from said groove by exertion of downward and upward force on said guide, said slots being restricted relative to the size of said indentations so that placement and removal of said guide is accomplished by snap action.
Claim 3
Dependent Claim
35 words
The waste apparatus as set forth in claim 1 in which said slots are tapered so that the said slots normally seat on said indentations preparatory to insertion of said indentations into said peripheral groove.
Claim 4
Dependent Claim
47 words
The waste apparatus as set forth in claim 1 in which said tubular part of said drain fitting is exteriorly threaded for cooperation with a plumbing part below said tub or fixture, said indentations being formed by punching inwardly at the threaded portion of said tubular part.
Claim 5
Dependent Claim
26 words
The waste apparatus as set forth in claim 1 in which said indentations are two in number and located on opposite sides of said tubular part.
Claim 6
Dependent Claim
23 words
The waste apparatus as set forth in claim 1 in which said drain fitting is, except for said indentations, a standard drain fitting.
Claim 7
Dependent Claim
156 words
In a waste apparatus for plumbing fixtures: a. a drain fitting having a generally tubular externally threaded deformable thin-walled part adapted to extend through an opening in a tub or other plumbing fixture; b. means forming a plurality of non-annular indentations punched inwardly at said externally threaded part; c. a stopper adapted to engage said fitting to close the said opening, said stopper having a guide part; d. said guide part having a peripheral groove adapted to receive said indentations with the upper rim of said groove, by engagement with said indentations, determining an upward open position of said stopper; said guide part also having recesses adjoining said upper rim and operative at certain angular positions of said guide to allow said guide and said stopper to drop a closed position; e. said guide having slots extending downwardly from the lower rim of said groove to allow insertion and removal of said indentations from said groove.
Claim 8
Dependent Claim
156 words
In a waste apparatus for plumbing fixtures: a. a drain fitting having a generally tubular externally threaded deformable thin-walled part adapted to extend through an opening in a tub or other plumbing fixture; b. means forming a plurality of non-annular indentations punched inwardly at said externally threaded part; c. a stopper adapted to engage said fitting to close the said opening, said stopper having a guide part; d. said guide part having a peripheral groove adapted to receive said indentations with the upper rim of said groove, by engagement with said indentations, determining an upward open position of said stopper; said guide part also having recesses adjoining said upper rim and operative at certain angular positions of said guide to allow said guide and said stopper to drop a closed position; e. said guide having slots extending downwardly from the lower rim of said groove to allow insertion and removal of said indentations from said groove.
Claim 9
Dependent Claim
23 words
The waste apparatus as set forth in claim 6 in which said drain fitting, except for said indentations, is a standard drain fitting.
Claim 10
Dependent Claim
189 words
In a waste apparatus for plumbing fixtures: a. a drain fitting having a generally tubular deformable thin-walled part adapted to extend through an opening in a tub or other plumbing fixture; b. means forming a plurality of indentations extending inwardly of said tubular part; c. a stopper adapted to engage said fitting to close the said opening, said stopper having a guide part; d. said guide part having a peripheral groove adapted to receive said indentations with the upper rim of said groove, by engagement with said indentations, determining an upward open position of said sTopper; said guide also having recesses adjoining said upper rim and operative at certain angular positions of said guide to allow said guide and said stopper to drop to closed position; e. said guide having slots extending downwardly from the lower rim of said groove to allow insertion and removal of said indentations from said groove, said slots being located at intermediate positions along the length of said groove whereby the positions of said slots are not detectable with said stopper in place except by rotating said stopper while exerting an upward thrust thereon.
Claim 11
Dependent Claim
189 words
In a waste apparatus for plumbing fixtures: a. a drain fitting having a generally tubular deformable thin-walled part adapted to extend through an opening in a tub or other plumbing fixture; b. means forming a plurality of indentations extending inwardly of said tubular part; c. a stopper adapted to engage said fitting to close the said opening, said stopper having a guide part; d. said guide part having a peripheral groove adapted to receive said indentations with the upper rim of said groove, by engagement with said indentations, determining an upward open position of said sTopper; said guide also having recesses adjoining said upper rim and operative at certain angular positions of said guide to allow said guide and said stopper to drop to closed position; e. said guide having slots extending downwardly from the lower rim of said groove to allow insertion and removal of said indentations from said groove, said slots being located at intermediate positions along the length of said groove whereby the positions of said slots are not detectable with said stopper in place except by rotating said stopper while exerting an upward thrust thereon.
Claim 12
Dependent Claim
14 words
The combination as set forth in claim 8 in which said groove is endless.
Claim 13
Dependent Claim
166 words
In a waste apparatus for plumbing fixtures: a. a drain fitting having a generally tubular deformable thin-walled part adapted to extend through an opening in a tub or other plumbing fixture; b. means forming a plurality of angularly spaced indentations projecting inwardly of said tubular part; c. a stopper adapted to engage said fitting to close said opening, said stopper having a guide part; d. said guide part including a ring suspended from said stopper by a plurality of legs, said ring having peripheral groove means adapted to receive said indentations with the upper rim of said groove, by engagement with said indentations, determining an upward open position of said stopper; e. said legs having recesses extending through said upper rim of said groove and alignable with said indentations to allow said stopper to drop to closed position; f. said guide having slots extending through the lower rim of said groove and alignable with said indentations to allow insertion and removal of said stopper and guide.
Claim 14
Dependent Claim
166 words
In a waste apparatus for plumbing fixtures: a. a drain fitting having a generally tubular deformable thin-walled part adapted to extend through an opening in a tub or other plumbing fixture; b. means forming a plurality of angularly spaced indentations projecting inwardly of said tubular part; c. a stopper adapted to engage said fitting to close said opening, said stopper having a guide part; d. said guide part including a ring suspended from said stopper by a plurality of legs, said ring having peripheral groove means adapted to receive said indentations with the upper rim of said groove, by engagement with said indentations, determining an upward open position of said stopper; e. said legs having recesses extending through said upper rim of said groove and alignable with said indentations to allow said stopper to drop to closed position; f. said guide having slots extending through the lower rim of said groove and alignable with said indentations to allow insertion and removal of said stopper and guide.
Claim 15
Dependent Claim
49 words
The waste apparatus as set forth in claim 10 in which said drain fitting has peripheral threads for engagement with a nut member thereby to secure said fitting at said opening, said indentations being located at the threads and forming depressions on the outer side of said tubular part.
Claim 16
Dependent Claim
93 words
The waste apparatus as set forth in claim 10 in which said guide is made of flexible, resilient material whereby the said upper rim of the ring groove means may snap downwardly past said indentations upon exertion of a downward force upon said stopper when said leg recesses are non-aligned with said indentations; said ring having cam means operative upon exertion of upward force upon said stopper to reseat said indentations in said ring groove, whereby said guide is neither mutilated or broken by accidental engagement and whereby said guide is readily repositioned.
Claim 17
Dependent Claim
42 words
The waste apparatus as set forth in claim 12 in which said cam means are located in alignment with said indentations upon counterclockwise movement of said stopper to a limit determined by engagement of said indentations with the sides of said legs.
Claim 18
Dependent Claim
25 words
The waste apparatus as set forth in claim 13 in which the lower rim slots are restricted for snap insertion and removal of said stopper.
Claim 19
Dependent Claim
46 words
The waste apparatus as set forth in claim 14 in which the groove means is a singular endless channel, the lower rim slots being angularly offset from said leg recesses whereby the slots are located by turning the stopper while an upward thrust is imposed thereon.
References Cited (Backward Citations)
US1717364A
Cited
US2225693A
Cited
US2337331A
Cited
US2481312A
Cited
US2657397A
Cited
US2668962A
Cited
US2951504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |