US4991634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor oil filler cap assembly
Assignee: Individual
•
Filing: 1989-08-03
•
Granted: 1991-02-12
•
Expires: 2009-08-03
Abstract
Abstract A replacement assembly for an oil filler cap for motor vehicles. The assembly includes a spring tensioned lid and a cylindrical tube having a downwardly taped lower portion surrounded by washer means and a pair of holes on diametrically opposite sides of the inwardly tapered lower portion of the tube. The cutter blade has an upwardly extended pointed end in spaced relationship to the inner wall of the tube and has a pair of downwardly extending, diametrically opposite flexible strips, each having an ear terminating with a semi-circular flat portion projecting outwardly through the holes for supporting the washer means.
Inventors
- 👤 Arthur L. Tudek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:46
CPC Classifications
F; F01; F01M; F01M11/00; F01M11/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
131 words
An assembly for insertion into an oil receiving tube of a motor vehicle comprising a cylindrical tube having a hinged cap, a top and a bottom and having an inwardly and downwardly tapered lower portion surrounded by washer means adapted for sealingly connecting said cylindrical tube to said oil receiving tube, a pair of holes on diametrically opposite sides of said downwardly tapered lower portion, a cutter blade mounted on the interior of said tube with a pointed end thereof extending upwardly in spaced relationship to the inner wall of said cylindrical tube, said cutter blade having a pair of downwardly extending, diametrically opposite flexible strips, each having an extension adapted to project radially outwardly through said holes, and a disc shaped screen filter extending across the bottom of said tube.
Claim 2
Dependent Claim
131 words
An assembly for insertion into an oil receiving tube of a motor vehicle comprising a cylindrical tube having a hinged cap, a top and a bottom and having an inwardly and downwardly tapered lower portion surrounded by washer means adapted for sealingly connecting said cylindrical tube to said oil receiving tube, a pair of holes on diametrically opposite sides of said downwardly tapered lower portion, a cutter blade mounted on the interior of said tube with a pointed end thereof extending upwardly in spaced relationship to the inner wall of said cylindrical tube, said cutter blade having a pair of downwardly extending, diametrically opposite flexible strips, each having an extension adapted to project radially outwardly through said holes, and a disc shaped screen filter extending across the bottom of said tube.
Claim 3
Dependent Claim
22 words
A replacement assembly as recited in claim 1 wherein said hinged cap has spring means for biasing it in the closed position.
Claim 4
Dependent Claim
25 words
A replacement assembly as recited in claim 2 wherein each of said extensions is semi-circular with a flat portion extending horizontally, downwardly of said strips.
Claim 5
Dependent Claim
34 words
A replacement assembly as recited in claim 2 wherein said washer means includes a hard upper washer and a soft lower washer for forming a seal with the oil receiving tube of a vehicle.
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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) | 1994-02-11 | 1994-08-13 | 1995-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-02-11 | 1998-08-13 | 1999-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-02-11 | 2002-08-13 | 2003-02-12 | $7700.00 | Window Closed / Lapsed |