Patent US4832227A successfully refreshed from Google Patents.
US4832227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split lid for sewage basins
Assignee: JACKEL Inc MISHAWAKA INDIANA A CORP OF INDIANA
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Filing: 1988-08-24
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Granted: 1989-05-23
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Expires: 2008-08-24
Abstract
Abstract An improved lid for attachment to a sewage and waste water basin, which lid contains the safety provided by two sections having overlapping interlocking edges in which one section may be removed for access to the basin without the necessity of removing the other section.
Inventors
- 👤 John J. Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:09
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/10; E03F5/101; Y; Y02; Y02A; Y02A10/00; Y02A10/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
106 words
A lid for enclosing the top of a basin, said lid being formed of two distinct sections which overlap one over the other at adjacent edges to enclose said basin top, the improvement wherein the one lid section at its said edge includes a length-long J-shaped extension and a groove spaced away from and running parallel to said J-shaped extension, the other lid section at its said edge including two downwardly protruding parallel lips, said other lid section overlying said one lid section with said lips fitting into said J-shaped extension and groove, a fastener extending through and interconnecting said lid sections at said edges thereof.
Claim 2
Dependent Claim
106 words
A lid for enclosing the top of a basin, said lid being formed of two distinct sections which overlap one over the other at adjacent edges to enclose said basin top, the improvement wherein the one lid section at its said edge includes a length-long J-shaped extension and a groove spaced away from and running parallel to said J-shaped extension, the other lid section at its said edge including two downwardly protruding parallel lips, said other lid section overlying said one lid section with said lips fitting into said J-shaped extension and groove, a fastener extending through and interconnecting said lid sections at said edges thereof.
Claim 3
Dependent Claim
13 words
The lid of claim 1 wherein said fastener is positioned between said lips.
Claim 4
Dependent Claim
32 words
The lid of claim 2 wherein said other lid section at its edge is upwardly offset between said lips to accommodate the flattened orientation of the upper surface of said one lid.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-05-22 | 1992-11-21 | 1993-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-22 | 1996-11-21 | 1997-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-22 | 2000-11-21 | 2001-05-23 | $7700.00 | Window Closed / Lapsed |