US3911983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane sump drain apparatus
Assignee: EUBANK MARY A
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Filing: 1974-05-02
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Granted: 1975-10-14
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Expires: 1994-05-02
Abstract
Abstract Aircraft sump drain tool for manipulating a drain sump valve and catching a fuel sample. A handle attached to and underlying an upwardly opening cup member is affixed to an upwardly extending lever, with the handle, cup, and lever being axially aligned with one another. A gas cock engaging means is attached to a free end portion of the lever and engages and opens the drain cock of a sump drain to thereby enable fuel to flow into the interior of the cup for examination and disposal thereof.
Inventors
- 👤 Ronnie D Wyatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:21
CPC Classifications
B; B25; B25B; B25B15/00; B25B13/00; B25B13/48
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
101 words
Aircraft sump drain tool comprising an upwardly opening cup member for containing fuel therein; a handle underlying and supporting said cup member; means by which the cup member is rigidly affixed to the handle; an upwardly extending member, said upwardly extending member being affixed to said cup and having a gas cock engaging means attached to the free end portion thereof so that said gas cock engaging means can move a gas cock of an airplane sump to the open position while fuel flows therefrom and into said cup; said gas cock engaging means being in the form of a screwdriver.
Claim 2
Dependent Claim
101 words
Aircraft sump drain tool comprising an upwardly opening cup member for containing fuel therein; a handle underlying and supporting said cup member; means by which the cup member is rigidly affixed to the handle; an upwardly extending member, said upwardly extending member being affixed to said cup and having a gas cock engaging means attached to the free end portion thereof so that said gas cock engaging means can move a gas cock of an airplane sump to the open position while fuel flows therefrom and into said cup; said gas cock engaging means being in the form of a screwdriver.
Claim 3
Dependent Claim
22 words
The aircraft sump drain tool of claim 1 wherein said upwardly extending member is axially aligned with said cup and said handle.
Claim 4
Dependent Claim
19 words
The aircraft sump drain tool of claim 2 wherein said handle is an extension of said upwardly extending member.
Claim 5
Dependent Claim
28 words
The aircraft sump drain tool of claim 1 and further including a screwdriver affixed to said handle, said screwdriver being axially aligned and opposed to said cup member.
Claim 6
Dependent Claim
28 words
The aircraft sump drain of claim 1 and further including a screwdriver affixed to said handle, said screwdriver being axially aligned and opposed to said upwardly extending member.
Claim 7
Dependent Claim
56 words
The aircraft sump drain tool of claim 1 wherein said cup member is in the form of an inverted frusto cone, said upwardly extending member being an extension of said handle and being axially aligned with said handle and cup member; a screwdriver removably affixed to said handle in opposed relationship to said upwardly extending member.
Claim 8
Dependent Claim
25 words
The aircraft sump drain tool of claim 1 wherein said screwdriver is removably affixed to said upwardly extending member in opposed relationship to said handle.
References Cited (Backward Citations)
US188243A
Cited
US3014389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-13 | 1979-04-14 | 1979-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-13 | 1983-04-14 | 1983-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-13 | 1987-04-14 | 1987-10-14 | $7700.00 | Window Closed / Lapsed |