US4520852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pollution prevention device
Assignee: Individual
•
Filing: 1983-03-21
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Granted: 1985-06-04
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Expires: 2003-03-21
Abstract
Abstract A pollution prevention device for use in association with a fill pipe for the passing of material to a container, the device includes a basin positioned about the end of the fill pipe and capable of collecting a predetermined amount of the material spilled during the filling or emptying of the container through the fill pipe.
Inventors
- 👤 William T. Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:54
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; Y; Y10; Y10S; Y10S277/00; Y10S277/918; Y10T; Y10T137/00; Y10T137/5762
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
169 words
A pollution prevention device for use in association with a fill pipe for filling a storage tank and the like, said device comprising: a basin positioned about a fill pipe so as to contain liquid spilled during filling or emptying of material through the fill pipe; said basin includes a bottom and sidewall upwardly extending from the bottom, said bottom includes an opening through which a fill pipe extends upwardly and passes into an area partially defined by the bottom and sidewall, said opening includes a sealing means positioned thereabout and engageable with the outer surface of the fill pipe so as to form a seal therebetween, said sidewall, bottom and outer surface defining an area of the basin capable of holding spilt liquid; and outlet means provided for said basin which includes means capable of allowing drainage of water from the basin while preventing the spilt liquid from passing through said means so as to collect the spilt liquid in the basin while allowing the run-off of water.
Claim 2
Dependent Claim
169 words
A pollution prevention device for use in association with a fill pipe for filling a storage tank and the like, said device comprising: a basin positioned about a fill pipe so as to contain liquid spilled during filling or emptying of material through the fill pipe; said basin includes a bottom and sidewall upwardly extending from the bottom, said bottom includes an opening through which a fill pipe extends upwardly and passes into an area partially defined by the bottom and sidewall, said opening includes a sealing means positioned thereabout and engageable with the outer surface of the fill pipe so as to form a seal therebetween, said sidewall, bottom and outer surface defining an area of the basin capable of holding spilt liquid; and outlet means provided for said basin which includes means capable of allowing drainage of water from the basin while preventing the spilt liquid from passing through said means so as to collect the spilt liquid in the basin while allowing the run-off of water.
Claim 3
Dependent Claim
27 words
The pollution prevention device in accordance with claim 1 wherein said sidewall terminates at its upper end in a platform capable of maintaining a cover resting thereon.
Claim 4
Dependent Claim
53 words
The pollution prevention device in accordance with claim 2 wherein said sidewall and bottom are made of a plastic material and sealably joined together, said sidewall being cylindrical and the bottom circular in shape, said opening being axially positioned in the bottom so as to axially position a fill pipe when positioned therein.
Claim 5
Dependent Claim
80 words
The pollution prevention device in accordance with claim 1 wherein said basin includes a bottom having an opening having an upwardly extending interior sidewall therefrom through which a fill pipe passes; outer sidewall upwardly extending from the bottom at a predetermined distance from the interior sidewall, sealing means between said interior sidewall and the fill pipe to create a seal therebetween, and said interior and outer sidewalls and bottom defining an area of the basin capable of holding split liquid.
Claim 6
Dependent Claim
27 words
The pollution prevention device in accordance with claim 4 wherein said sidewall terminates at its upper end in a platform capable of maintaining a cover resting thereon.
Claim 7
Dependent Claim
56 words
The pollution prevention device in accordance with claim 5 wherein said sidewall and bottom are made of a plastic material and sealably joined together, said sidewall being cylindrical and the bottom circular in shape, said opening and interior sidewall being axially positioned in the bottom so as to axially position the fill pipe when positioned thereon.
Claim 8
Dependent Claim
61 words
The pollution prevention device in accordance with claim 4 wherein the sealing means includes a sleeve disposed between the interior side wall and the fill pipe extending upward into the basin and terminating in a removable fill cap allowing access to the fill pipe, and seal between the interior side wall and the sleeve and the sleeve and the fill pipe.
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) | 1988-06-03 | 1988-12-03 | 1989-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-03 | 1992-12-03 | 1993-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-03 | 1996-12-03 | 1997-06-04 | $7700.00 | Window Closed / Lapsed |