Patent US4274645A successfully refreshed from Google Patents.
US4274645A
Expired / Lapsed
US
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Porto auto oil easy drain
Assignee: Individual
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Filing: 1979-06-15
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Granted: 1981-06-23
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Expires: 1999-06-15
Abstract
Abstract A drain oil collection tank for use in an automobile service station, the device including a thirty gallon tank mounted on a hand cart, a drain valve at the bottom of the tank, a screen covered funnel extending telescopically adjustable upward from a cover of the tank and an oil level gauge in the tank.
Inventors
- 👤 Arthur Ferguson
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:46
CPC Classifications
F; F16; F16N; F16N31/00; F16N31/002; F16N31/004; B; B62; B62B; B62B1/00; B62B1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A porto auto oil easy drain device, comprising in combination a tank mounted upon a hand cart, said cart including a frame with a wheel support at the front and a leg support at its rear, said frame including a handle at its rear, said tank having a drain valve at its bottom, an upper end of said tank being open and closable by a cover rotatably mounted thereon having an eccentrically positioned, vertical pipe inlet therethrough supporting a funnel rotatably mounted in said pipe, including means for affixing said cover and said funnel wherein said funnel comprises a pipe outlet mounted in said inlet and a basin eccentrically mounted thereupon, said means comprising a ring retainer fitted about said cover and a set screw connecting said inlet and outlet, said drain valve disposed within said frame having an outlet orifice adjacent said front.
Claim 2
Dependent Claim
144 words
A porto auto oil easy drain device, comprising in combination a tank mounted upon a hand cart, said cart including a frame with a wheel support at the front and a leg support at its rear, said frame including a handle at its rear, said tank having a drain valve at its bottom, an upper end of said tank being open and closable by a cover rotatably mounted thereon having an eccentrically positioned, vertical pipe inlet therethrough supporting a funnel rotatably mounted in said pipe, including means for affixing said cover and said funnel wherein said funnel comprises a pipe outlet mounted in said inlet and a basin eccentrically mounted thereupon, said means comprising a ring retainer fitted about said cover and a set screw connecting said inlet and outlet, said drain valve disposed within said frame having an outlet orifice adjacent said front.
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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) | 1984-06-22 | 1984-12-22 | 1985-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-22 | 1988-12-22 | 1989-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-22 | 1992-12-22 | 1993-06-23 | $7700.00 | Window Closed / Lapsed |