US4216872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamper-proof container
Assignee: Brickwood Holdings Pty Ltd
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Filing: 1979-01-11
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Granted: 1980-08-12
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Expires: 1999-01-11
Abstract
Abstract A tamper-proof container closure which has a tear strip concentric with the dependent side walls of the cap. The tear strip which is spaced apart from the cap side walls is connected to the side walls by frangible radial connections. The tear strip is adapted to seat on a shoulder of the container on which the cap is fitted and the closure can only be removed from the container by first removing the tear strip.
Inventors
- 👤 John R. H. Bean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:23
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/46; B65D41/48; B65D41/485; B65D2401/00; B65D2401/15; B65D2401/25; B65D2401/30
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
161 words
A tamper-proof container comprising a container body having a neck portion, said neck portion incorporating an opening, a peripheral lip about said opening, a recessed portion below said lip and a shoulder portion forming the base of said recess and extending beyond the extremity of said lip; and a closure for said container body comprising a top portion adapted to cover said opening, a first dependent side wall portion adapted to extend over said lip, a flange dependent from said top portion and concentric with and radially spaced from said first wall portion such that said lip of said opening of said container is wedged between said flange and said first dependent wall portion, a beading on said sidewall portions adapted to seat in said recess and a second wall substantially encircling said first wall and having a portion detachably secured to said first side wall, radially spaced therefrom and concentric therewith, said second wall portion seating on said shoulder portion.
Claim 2
Dependent Claim
161 words
A tamper-proof container comprising a container body having a neck portion, said neck portion incorporating an opening, a peripheral lip about said opening, a recessed portion below said lip and a shoulder portion forming the base of said recess and extending beyond the extremity of said lip; and a closure for said container body comprising a top portion adapted to cover said opening, a first dependent side wall portion adapted to extend over said lip, a flange dependent from said top portion and concentric with and radially spaced from said first wall portion such that said lip of said opening of said container is wedged between said flange and said first dependent wall portion, a beading on said sidewall portions adapted to seat in said recess and a second wall substantially encircling said first wall and having a portion detachably secured to said first side wall, radially spaced therefrom and concentric therewith, said second wall portion seating on said shoulder portion.
Claim 3
Dependent Claim
15 words
A container as claimed in claim 1, in which said second wall portion is discontinuous.
Claim 4
Dependent Claim
160 words
A closure for use with a tamper-proof container having a body with a neck portion, said neck portion incorporating an opening, a peripheral lip about said opening, a recessed portion below said lip and a shoulder portion forming the base of said recess and extending beyond the extremity of said lip; said closure comprising a top portion adapted to cover said opening, a first dependent side wall portion adapted to extend over said lip, a flange dependent from said top portion and concentric with and radially spaced from said first wall portion such that said lip of said opening of said container is wedged between said flange and said first dependent wall portion, a beading on said sidewall portions adapted to seat in said recess and a second wall substantially encircling said first wall and having a portion detachably secured to said first side wall, radially spaced therefrom and concentric therewith, said second wall portion seating on said shoulder portion.
Claim 5
Dependent Claim
160 words
A closure for use with a tamper-proof container having a body with a neck portion, said neck portion incorporating an opening, a peripheral lip about said opening, a recessed portion below said lip and a shoulder portion forming the base of said recess and extending beyond the extremity of said lip; said closure comprising a top portion adapted to cover said opening, a first dependent side wall portion adapted to extend over said lip, a flange dependent from said top portion and concentric with and radially spaced from said first wall portion such that said lip of said opening of said container is wedged between said flange and said first dependent wall portion, a beading on said sidewall portions adapted to seat in said recess and a second wall substantially encircling said first wall and having a portion detachably secured to said first side wall, radially spaced therefrom and concentric therewith, said second wall portion seating on said shoulder portion.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-08-12 | 1984-02-11 | 1984-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-12 | 1988-02-11 | 1988-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-12 | 1992-02-11 | 1992-08-12 | $7700.00 | Window Closed / Lapsed |