Patent FR960112A successfully refreshed from Google Patents.
Patent US3670919A successfully refreshed from Google Patents.
US3670919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy opening lid for cans
Assignee: Cebal GP
•
Filing: 1971-02-08
•
Granted: 1972-06-20
•
Expires: 1991-02-08
Abstract
Abstract The invention relates to lids known as ''''easy complete opening lids'''' in which the tear line is in the form of a circle which is eccentric with respect to the lid.
Inventors
- 👤 Gerard Prayer
- 👤 Jean-Marie Perrat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:36
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/404; B65D17/401; B65D17/4011
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
100 words
A complete opening lid for round cans having a tear line along which the removable portion is torn from the lid and a nose portion for initiating tearing of the tear line, the improvement in which the tear line is in the form of a circle having its center offset from the center of the lid in the direction away from the nose whereby the tear line is spaced a miNimum distance from the rim of the lid to a point diametrically opposite the nose and at a greater distance from the rim of the lid at the nose portion.
Claim 2
Dependent Claim
100 words
A complete opening lid for round cans having a tear line along which the removable portion is torn from the lid and a nose portion for initiating tearing of the tear line, the improvement in which the tear line is in the form of a circle having its center offset from the center of the lid in the direction away from the nose whereby the tear line is spaced a miNimum distance from the rim of the lid to a point diametrically opposite the nose and at a greater distance from the rim of the lid at the nose portion.
Claim 3
Dependent Claim
39 words
A lid as claimed in claim 1 in which the spaced relationship between the nose portion and the rim of the lid is sufficient to allow passage of the crimping roller for attachment of the lid to the can.
Claim 4
Dependent Claim
25 words
A lid as claimed in claim 1 in which the tear line diametrically opposite the nose is almost tangent to the rim of the lid.
Claim 5
Dependent Claim
46 words
A lid as claimed in claim 1 in which the center of the tear line is offset from the center of the rim of the lid by an amount less than the difference between the radius of the tear line and the radius of the rim.
Claim 6
Dependent Claim
56 words
A lid as claimed in claim 1 which includes a gripping member fixed to the removable portion of the lid within the tear line and in which the nose is rigid with the gripping member and extends over the tear line for a distance slightly beyond the tear line in the direction away from the center.
References Cited (Backward Citations)
US3454285A
Cited
US3478918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |