Patent US4073403A successfully refreshed from Google Patents.
US4073403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-in can top
Assignee: Individual
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Filing: 1976-07-19
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Granted: 1978-02-14
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Expires: 1996-07-19
Abstract
Abstract An easily openable end unit for a container includes an end panel; a weakening line in the end panel defines a tear panel which may be removed at least partially from the plane of the end panel. An easily grippable push member is attached to the tear panel for rupturing it along the weakening line when pushed in a container-inward direction.
Inventors
- 👤 A. C. Orange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:48
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
An easily openable end unit for a container or the like comprising an end panel, a weakening line in said end panel defining a tear panel at least partially removable out of the plane of said end panel, a grippable push-member for rupturing said end panel along said weakening line to push the end panel in a container-inward direction, and attachment means for joining said push-member to said tear panel, wherein said weakening line is substantially a figure of eight having a central portion bulging outwardly within said plane, wherein said push-member is a tab attached to said central portion, normally disposed substantially within said plane and liftable therefrom for pushing said tear panel in the container-inward direction and wherein the attachment means is a rivet, whereby upon said push-member being forced in the container-inward direction said tear panel is removed out of said plane.
Claim 2
Dependent Claim
145 words
An easily openable end unit for a container or the like comprising an end panel, a weakening line in said end panel defining a tear panel at least partially removable out of the plane of said end panel, a grippable push-member for rupturing said end panel along said weakening line to push the end panel in a container-inward direction, and attachment means for joining said push-member to said tear panel, wherein said weakening line is substantially a figure of eight having a central portion bulging outwardly within said plane, wherein said push-member is a tab attached to said central portion, normally disposed substantially within said plane and liftable therefrom for pushing said tear panel in the container-inward direction and wherein the attachment means is a rivet, whereby upon said push-member being forced in the container-inward direction said tear panel is removed out of said plane.
References Cited (Backward Citations)
US3923193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-02-13 | 1981-08-15 | 1982-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-13 | 1985-08-15 | 1986-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-13 | 1989-08-15 | 1990-02-14 | $7700.00 | Window Closed / Lapsed |