US3961721A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic container cover
Assignee: Individual
•
Filing: 1975-11-28
•
Granted: 1976-06-08
•
Expires: 1995-11-28
Abstract
Abstract A removable flexible cover for a metal container with magnetic means incorporated within the cover to secure it in place, while providing hinge means so that the cover may be swung out of position but retained on the container.
Inventors
- 👤 Edwin J. Gordon
- 👤 Adam I. Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:41
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/14; B65D43/16; B65D43/163; B65D43/169; B65D2251/00; B65D2251/10; B65D2251/1016; B65D2313/00; B65D2313/04; Y; Y10; Y10S; Y10S206/00; Y10S206/818
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
65 words
In combination with a metal container comprising a cylindrical wall and having an open top and a closed bottom; a removable flexible cover comprising a flat circular body having a downturned flange; the inner surface of said flange frictionally engaging the outer surface of said wall; said flange having at least one integral downwardly extending magnetic member contacting said wall to secure said cover thereon.
Claim 2
Dependent Claim
65 words
In combination with a metal container comprising a cylindrical wall and having an open top and a closed bottom; a removable flexible cover comprising a flat circular body having a downturned flange; the inner surface of said flange frictionally engaging the outer surface of said wall; said flange having at least one integral downwardly extending magnetic member contacting said wall to secure said cover thereon.
Claim 3
Dependent Claim
15 words
The cover of claim 1 in which said magnetic member has a magnet embedded therein.
Claim 4
Dependent Claim
17 words
The cover of claim 1 in which said magnetic member is formed by incorporating magnetic particles therein.
Claim 5
Dependent Claim
29 words
The cover of claim 1 in which said member remains in contact with the outer surface of said wall when the cover is moved to expose said open top.
Claim 6
Dependent Claim
18 words
The cover of claim 1 in which said flange has two downwardly extending magnetic tabs contacting said wall.
Claim 7
Dependent Claim
49 words
A flexible removable cover for a metal container which comprises a cylindrical wall; said cover consisting of a flat circular body, a downturned flange, and an integral downwardly extending magnetic tab, said flange and said tab frictionally engaging said wall to secure said cover when mounted on said container.
Claim 8
Dependent Claim
49 words
A flexible removable cover for a metal container which comprises a cylindrical wall; said cover consisting of a flat circular body, a downturned flange, and an integral downwardly extending magnetic tab, said flange and said tab frictionally engaging said wall to secure said cover when mounted on said container.
Claim 9
Dependent Claim
14 words
The cover of claim 1 in which said tab has a magnet embedded therein.
Claim 10
Dependent Claim
12 words
The cover of claim 1 in which said tab has magnetic particles.
Claim 11
Dependent Claim
29 words
The cover of claim 1 in which said tab remains in contact with said wall and serves as a hinge when said cover is moved away from said container.
Claim 12
Dependent Claim
15 words
The cover of claim 1 in which said flange has two downwardly extending magnetic tabs.
References Cited (Backward Citations)
US2672257A
Cited
US3749301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-08 | 1979-12-08 | 1980-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-08 | 1983-12-08 | 1984-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-08 | 1987-12-08 | 1988-06-08 | $7700.00 | Window Closed / Lapsed |