Patent US3935602A successfully refreshed from Google Patents.
US3935602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traps for sinks, laundry tubs and the like
Assignee: Individual
•
Filing: 1974-08-19
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Granted: 1976-02-03
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Expires: 1994-08-19
Abstract
Abstract A trap for use in connection with sinks, laundry tubs, and the like, with the bottom wall of the dip portion of the trap having an elongated opening, a bottom or closure member detachably secured to the trap for closing the opening, and blocking means secured by said bottom or closure and having means extending into the trap and into the bottom or closure member for blocking the passage of foreign objects and the like without interfering with the flow of the water. The bottom or closure member is readily removable for access to the interior of the trap for cleaning same and the like.
Inventors
- 👤 Howard D. Kale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:31
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/282; Y; Y10; Y10S; Y10S4/00; Y10S4/14; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4576
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
121 words
In a trap unit for use in connection with sinks, laundry tubs and the like, said trap unit comprising a conduit having a dip portion with an opening faced adjacent thereto, and a bottom closure member for closing said opening, a blocking member comprising a horizontal rim and transversely extending horizontal cross-members and a plurality of vertically spaced fingers on said horizontal cross-members, said blocking member positioned so that the rim thereof rests horizontally on said closure member and is positioned between the closure member and the dip portion of the conduit with said vertically spaced fingers extending into the dip portion of the conduit, and means for detachably securing said bottom closure member to said dip portion of said conduit.
Claim 2
Dependent Claim
121 words
In a trap unit for use in connection with sinks, laundry tubs and the like, said trap unit comprising a conduit having a dip portion with an opening faced adjacent thereto, and a bottom closure member for closing said opening, a blocking member comprising a horizontal rim and transversely extending horizontal cross-members and a plurality of vertically spaced fingers on said horizontal cross-members, said blocking member positioned so that the rim thereof rests horizontally on said closure member and is positioned between the closure member and the dip portion of the conduit with said vertically spaced fingers extending into the dip portion of the conduit, and means for detachably securing said bottom closure member to said dip portion of said conduit.
Claim 3
Dependent Claim
44 words
The structure as set forth in claim 1 in which the opening is of generally oval-shaped configuration and in which the bottom or closure is of a concave or cup shape, and in which the blocking member also extends into said bottom or closure.
Claim 4
Dependent Claim
27 words
The structure as set forth in claim 2 in which the blocking member comprises a plurality of spaced fingers which extend upwardly and downwardly of said opening.
Claim 5
Dependent Claim
19 words
The structure as set forth in claim 1 in which the blocking unit has fingers which have openings therethrough.
Claim 6
Dependent Claim
21 words
The structure as set forth in claim 1 in which the blocking member is formed of a plastic or rubber material.
Claim 7
Dependent Claim
14 words
The structure as set forth in claim 1 in which the fingers are tapered.
Claim 8
Dependent Claim
24 words
The structure as set forth in claim 1 in which clamping means are used to secure said bottom or closure member to said conduit.
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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) | 1979-02-02 | 1979-08-04 | 1980-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-02 | 1983-08-04 | 1984-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-02 | 1987-08-04 | 1988-02-03 | $7700.00 | Window Closed / Lapsed |