Patent US3982289A successfully refreshed from Google Patents.
US3982289A
Expired / Lapsed
US
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Disposable sink strainer
Assignee: Individual
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Filing: 1975-04-10
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Granted: 1976-09-28
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Expires: 1995-04-10
Abstract
Abstract A disposable sink strainer comprising a cylindrical portion having a plurality of openings therein and a bottom portion substantially constituting a disc and integrally connected to and depending from a lowermost portion of the cylindrical portion, the bottom portion being formed with a plurality of holes therein. The cylindrical walls are adapted to fit complementarily in a conventional sink strainer, and have a rim extending horizontally and radially outwardly and integrally therefrom at an uppermost portion thereof.
Inventors
- 👤 David Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:23
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/264
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
134 words
A disposable sink strainer adapted to be mounted on top of a conventional sink basket in a sink and removed therefrom, comprising: a cylindrical portion having a plurality of openings therein forming a plurality of vertical columns; a bottom portion substantially constituting a disc and integrally connected and depending from a lowermost portion of said cylindrical portion, said bottom portion being formed with a plurality of holes therein; said cylindrical walls being of a size adapted to fit complementarily in said conventional sink strainer; a rim extending horizontally and radially outwardly and integrally from an uppermost portion of said cylindrical portion and adapted to snugly engage the sides of the base of said sink; and means integrally connected with said rim to remove said disposable sink strainer from said conventional sink strainer and sink.
Claim 2
Dependent Claim
134 words
A disposable sink strainer adapted to be mounted on top of a conventional sink basket in a sink and removed therefrom, comprising: a cylindrical portion having a plurality of openings therein forming a plurality of vertical columns; a bottom portion substantially constituting a disc and integrally connected and depending from a lowermost portion of said cylindrical portion, said bottom portion being formed with a plurality of holes therein; said cylindrical walls being of a size adapted to fit complementarily in said conventional sink strainer; a rim extending horizontally and radially outwardly and integrally from an uppermost portion of said cylindrical portion and adapted to snugly engage the sides of the base of said sink; and means integrally connected with said rim to remove said disposable sink strainer from said conventional sink strainer and sink.
Claim 3
Dependent Claim
64 words
The disposable sink strainer, as recited in claim 1 wherein: said rim is aligned substantially with a base of a sink adjacent to the drain; and said integrally connected means including two tabs aligned 180° apart from each other and extending from an outer peripheral edge of said rim and inclined upwardly relative thereto forming an acute angle with said base of the sink.
Claim 4
Dependent Claim
47 words
The disposable sink strainer, as recited in claim 2 wherein: said tabs each have parallel edges and a circular rounded portion at a free end thereof, the distance between said edges, constituting the width of said tabs, being substantially equal to the annular width of said rim.
Claim 5
Dependent Claim
22 words
The disposable sink strainer as recited in claim 3 wherein: said openings are circular and form said columns offset adjacent one another.
Claim 6
Dependent Claim
25 words
The disposable sink strainer, as recited in claim 1 wherein: said openings are elongated and are aligned forming said vertical columns and two circumferential rows.
Claim 7
Dependent Claim
36 words
The disposable sink strainer as recited in claim 1, further comprising: a central cylindrical extension internally formed upwardly from said bottom portion and defining a hollow complementarily engaging on a knob of a conventional sink basket.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-28 | 1980-03-29 | 1980-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-28 | 1984-03-29 | 1984-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-28 | 1988-03-29 | 1988-09-28 | $7700.00 | Window Closed / Lapsed |