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US4114644A Expired / Lapsed US ⏱️ 0.0 years remaining

Recycling drain pan

Assignee: Individual
•
Filing: 1977-02-08
•
Granted: 1978-09-19
•
Expires: 1997-02-08
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Abstract

Abstract A drain pan forming an enclosure having a top and bottom wall and a front wall and terminates in a drain opening into the enclosure at the juncture of the front wall and top wall so that anti-freeze from an automotive radiator may be drained onto the front wall and through the drain opening into the interior of the enclosure. A sump pump is mounted in the interior of the enclosure for recycling the collected anti-freeze fluid through a flexible hose connected to the outlet of the pump back into the radiator.

Inventors

  • 👤 Eldon L. Piper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 04:24
CPC Classifications
B; B60; B60K; B60K11/00; F; F01; F01P; F01P11/00; F01P11/02; F01P11/0276; F16; F16N; F16N31/00; F16N31/006; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6918; Y10T137/8593; Y10T137/85978; Y10T137/86035

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 89 words
A self-contained recycling drain unit comprising: a hollow enclosure having relatively narrow top, bottom and side walls, and a front wall extending between said walls which slopes downwardly from said bottom wall towards said top wall, a drain opening in said front wall adjacent said top wall, pump means forming an integral part of said unit having an outlet adjacent said bottom wall, and a flexible hose having one end connected to the outlet of said pump means and a free end for recycling fluid accumulated within said enclosure.
Claim 2
Dependent Claim 89 words
A self-contained recycling drain unit comprising: a hollow enclosure having relatively narrow top, bottom and side walls, and a front wall extending between said walls which slopes downwardly from said bottom wall towards said top wall, a drain opening in said front wall adjacent said top wall, pump means forming an integral part of said unit having an outlet adjacent said bottom wall, and a flexible hose having one end connected to the outlet of said pump means and a free end for recycling fluid accumulated within said enclosure.
Claim 3
Dependent Claim 14 words
The drain pan of claim 1 including a filter screen over said drain opening.
Claim 4
Dependent Claim 20 words
A drain pan in accordance with claim 1 including a spring clip on the free end of said flexible hose.
Claim 5
Dependent Claim 15 words
The drain pan of claim 1 including power supply means connected to said pump means.
Claim 6
Dependent Claim 17 words
The drain pan of claim 1 including a handle fixed to the top wall of said enclosure.
Claim 7
Dependent Claim 28 words
The drain pan of claim 1 including a pair of brackets mounted on a side wall of said enclosure for supporting said flexible hose when not in use.

References Cited (Backward Citations)

US1584175A Cited
US1554589A Cited
US1802426A Cited
USRE27449E Cited
US3743053A Cited
US3810487A Cited
GB1432610A Cited
US4010863A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-09-18 1982-03-20 1982-09-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-09-18 1986-03-20 1986-09-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-09-18 1990-03-20 1990-09-19 $7700.00 Window Closed / Lapsed

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