US4442936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine oil draining assembly
Assignee: Individual
•
Filing: 1978-11-13
•
Granted: 1984-04-17
•
Expires: 1998-11-13
Abstract
Abstract An assembly or kit to enable the individual automobile owner to drain and change engine oil conveniently and economically at regular intervals without the necessity of visiting a service station and encountering higher cost. A compact package suitable for displaying in supermarkets, department stores and the like contains all the elements necessary to drain engine oil in a clean and convenient manner and to add new oil to the engine. The packaged components include an easily erectable drain receptacle and liner, a strainer and a funnel, with integral foldable supports for the strainer on the receptacle.
Inventors
- 👤 Robert L. Densham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:48
CPC Classifications
F; F16; F16N; F16N31/00; F16N31/002; B; B65; B65D; B65D85/00; Y; Y10; Y10S; Y10S206/00; Y10S206/806
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
250 words
An engine oil change kit comprising a receptacle body formed of sheet material and being erectable to produce an open top receptacle and foldable into a collapsed state, a flexible bag liner for the receptacle body and being oil impermeable, a strainer adapted to span the open top of the erected receptacle, integral support elements for the strainer on the erected receptacle, a collapsible and erectable funnel for use in delivering fresh oil to an engine, and an outer package for said receptacle body and said funnel in the collapsed state, for said liner in a folded state and said strainer, whereby said kit is essentially flat and compact when packaged, said receptacle body having an intermediate book-like form including hinged sides, said folded liner, said strainer and said funnel in the collapsed state being insertable between said hinged sides with said sides folded toward each other in substantial parallelism for placement as a unit in said outer package, said outer package being formed from a snug fitting flexible wrapper fully enclosing and confining said kit, said strainer comprising a flat plate-like element including a detachable strip along one edge thereof, the far edge portion of the strainer having a support aperture, said strip adapted to bottom against the hinge of the collapsed receptacle body in said intermediate form with said far edge portion and aperture extending beyond the ends of said hinged sides remote from the hinge, whereby a display rack package suspension element may engage through said aperture.
Claim 2
Dependent Claim
250 words
An engine oil change kit comprising a receptacle body formed of sheet material and being erectable to produce an open top receptacle and foldable into a collapsed state, a flexible bag liner for the receptacle body and being oil impermeable, a strainer adapted to span the open top of the erected receptacle, integral support elements for the strainer on the erected receptacle, a collapsible and erectable funnel for use in delivering fresh oil to an engine, and an outer package for said receptacle body and said funnel in the collapsed state, for said liner in a folded state and said strainer, whereby said kit is essentially flat and compact when packaged, said receptacle body having an intermediate book-like form including hinged sides, said folded liner, said strainer and said funnel in the collapsed state being insertable between said hinged sides with said sides folded toward each other in substantial parallelism for placement as a unit in said outer package, said outer package being formed from a snug fitting flexible wrapper fully enclosing and confining said kit, said strainer comprising a flat plate-like element including a detachable strip along one edge thereof, the far edge portion of the strainer having a support aperture, said strip adapted to bottom against the hinge of the collapsed receptacle body in said intermediate form with said far edge portion and aperture extending beyond the ends of said hinged sides remote from the hinge, whereby a display rack package suspension element may engage through said aperture.
Claim 3
Dependent Claim
161 words
An engine oil change kit comprising a collapsible and foldable receptacle body adapted to be erected into an open top receptacle having side and bottom walls, the receptacle body having an intermediate book-like collapsed form including hinged sides, an oil impermeable bag liner for the erected receptacle, a plate-like filter element for the top of the erected receptacle disposed between said hinged sides in opposing relationship to the sides and to each other and sandwiched compactly between the sides when the sides are swung into substantially parallel opposing relationship, an outer package means for the receptacle body portion and elements sandwiched between the sides thereof, the outer package means comprising a wrapper film enveloping said receptacle body portion and elements snugly to form a thin flat kit package, and a detachable apertured extension on the plate-like filter element projecting outwardly of said sides when the sides are in said parallel opposing relationship to form a suspension means for the kit package.
Claim 4
Dependent Claim
161 words
An engine oil change kit comprising a collapsible and foldable receptacle body adapted to be erected into an open top receptacle having side and bottom walls, the receptacle body having an intermediate book-like collapsed form including hinged sides, an oil impermeable bag liner for the erected receptacle, a plate-like filter element for the top of the erected receptacle disposed between said hinged sides in opposing relationship to the sides and to each other and sandwiched compactly between the sides when the sides are swung into substantially parallel opposing relationship, an outer package means for the receptacle body portion and elements sandwiched between the sides thereof, the outer package means comprising a wrapper film enveloping said receptacle body portion and elements snugly to form a thin flat kit package, and a detachable apertured extension on the plate-like filter element projecting outwardly of said sides when the sides are in said parallel opposing relationship to form a suspension means for the kit package.
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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) | 1987-04-17 | 1987-10-17 | 1988-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-17 | 1991-10-17 | 1992-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-17 | 1995-10-17 | 1996-04-17 | $7700.00 | Window Closed / Lapsed |