US4642183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil filter
Assignee: Individual
•
Filing: 1986-03-21
•
Granted: 1987-02-10
•
Expires: 2006-03-21
Abstract
Abstract A removable threaded oil filter adaptor collar and a removable outer decorative cover for an oil filter are disclosed.
Inventors
- 👤 Alfred M. Hebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:33
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/06; B01D35/30; B01D2201/00; B01D2201/30; B01D2201/301; B01D2201/307; Y; Y10; Y10S; Y10S210/00; Y10S210/17
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
177 words
In an oil filter cartridge having a central internally threaded receptacle for connection to a corresponding externally threaded conduit on an engine for return of filtered oil circulated through said filter and an annular gasket defining a pathway for oil from said engine to said filter, the improvement therein whereby said central threaded receptacle has removeably threaded thereto an adaptor collar with external threads matched those of said receptacle and internal threads corresponding with the threads of said externally threaded conduit of the engine to which said cartridge is to be connected whereby varying the thickness of said collar allows said cartridge to be used in different engines and wherein a decorative outer cylindrical cover is removeably secured to the outer walls of said cartridge by means of a magnetized generally cylindrically shaped sleeve, dimensioned to resiliently slide over the outer cartridge walls, said sleeve having upper walls of a larger diameter to match those of the decorative cover, and resilient spacer means between the lower walls of said sleeve and the walls of said decorative cover.
Claim 2
Dependent Claim
177 words
In an oil filter cartridge having a central internally threaded receptacle for connection to a corresponding externally threaded conduit on an engine for return of filtered oil circulated through said filter and an annular gasket defining a pathway for oil from said engine to said filter, the improvement therein whereby said central threaded receptacle has removeably threaded thereto an adaptor collar with external threads matched those of said receptacle and internal threads corresponding with the threads of said externally threaded conduit of the engine to which said cartridge is to be connected whereby varying the thickness of said collar allows said cartridge to be used in different engines and wherein a decorative outer cylindrical cover is removeably secured to the outer walls of said cartridge by means of a magnetized generally cylindrically shaped sleeve, dimensioned to resiliently slide over the outer cartridge walls, said sleeve having upper walls of a larger diameter to match those of the decorative cover, and resilient spacer means between the lower walls of said sleeve and the walls of said decorative cover.
Claim 3
Dependent Claim
25 words
The improvement is claimed in claim 1 wherein an expansion ring biases said upper walls of said sleeve outwardly in contact with said decorative cover.
Claim 4
Dependent Claim
23 words
An improvement according to any one of claims 1 and 2 wherein said filter cartridge includes a magnetic metal bar and magnesium helix.
References Cited (Backward Citations)
US1179453A
Cited
US3250242A
Cited
US3399515A
Cited
US3929643A
Cited
US4045349A
Cited
US4452697A
Cited
US4376703A
Cited
US4454037A
Cited
US4451368A
Cited
US4501660A
Cited
US4452695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-02-09 | 1990-08-11 | 1991-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-09 | 1994-08-11 | 1995-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-09 | 1998-08-11 | 1999-02-10 | $7700.00 | Window Closed / Lapsed |