US3930593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container (or vessel) with a cover
Assignee: Greif International Holding BV
•
Filing: 1973-07-17
•
Granted: 1976-01-06
•
Expires: 1993-07-17
Abstract
Abstract A container having a cover, the container having a rim and a first curled edge at the rim, a portion of the first curled edge having its biggest diameter in a plane perpendicular to the center line of the container, the cover having a second curled edge gripping around the first curled edge, the second curled edge including a circumferential cutting line which flows up and down with peaks at a region of or above the portion of the first curl having the biggest diameter and with valleys underneath the portion.
Inventors
- 👤 Christian Ragettli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:58
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
91 words
A container having a cover, said container having a rim and a first curled edge at said rim, a portion of said first curled edge having its biggest diameter in a plane perpendicular to the center line of the container, said cover having a second curled edge gripping around said first curled edge, said second curled edge including a circumferential cutting line which flows up and down with peaks at a region of or above said portion of said first curl having the biggest diameter and with valleys underneath said portion.
Claim 2
Dependent Claim
91 words
A container having a cover, said container having a rim and a first curled edge at said rim, a portion of said first curled edge having its biggest diameter in a plane perpendicular to the center line of the container, said cover having a second curled edge gripping around said first curled edge, said second curled edge including a circumferential cutting line which flows up and down with peaks at a region of or above said portion of said first curl having the biggest diameter and with valleys underneath said portion.
Claim 3
Dependent Claim
51 words
A container having a cover in accordance with claim 1 wherein said cutting line comprises a first groove at the outer side of said second curled edge and a second groove at the inner side of said second curled edge, said second groove lying in alignment opposite to said first groove.
References Cited (Backward Citations)
US3120321A
Cited
US3425596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-05 | 1979-07-07 | 1980-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-05 | 1983-07-07 | 1984-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-05 | 1987-07-07 | 1988-01-06 | $7700.00 | Window Closed / Lapsed |