Patent US5025982A successfully refreshed from Google Patents.
US5025982A
Expired / Lapsed
US
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Multi-piece flat top container
Assignee: Elopak Systems AG
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Filing: 1990-10-29
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Granted: 1991-06-25
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Expires: 2010-10-29
Abstract
Abstract A multi-piece flat top container includes a thermoplastic coated paperboard body 10 of a predetermined cross-sectional configuration, a thermoplastic adapter ring 14 having an annular recess 16 formed therein for mounting over the top edge of the body 10 and fusion sealed thereto, and a tamper-evident flat membrane 20 of any suitable material sealed adjacent its peripheral edge to the top edge of the adapter ring 14. An optional over-cap 26 may be mounted over the membrane 20 and adapter ring 14 without being sealed thereto. <IMAGE>
Inventors
- 👤 Robert E. Lisiecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:08
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/18; B65D51/20; B65D15/00; B65D15/02; B65D15/04; B65D15/08; B65D2251/00; B65D2251/0003; B65D2251/0006; B65D2251/0018; B65D2251/0068; B65D2251/0093
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
111 words
A multi-piece container comprising a thermoplastic coated paperboard body of a predetermined cross-sectional configuration, a thermoplastic adapter ring of a predetermined height and having an annular recess formed therein adapted to mount over and sit upon the top edge portion of said body and having an annular seal formed therebetween at an intermediate height thereof, and a substantially flat membrane formed of any suitable material sealed adjacent its peripheral edge to the top edge of said adapter ring, wherein said thermoplastic coated paperboard body includes a side seam which is one of a corner seam or a center seam, and said recess of said adapter ring is formed to accommodate same.
Claim 2
Dependent Claim
111 words
A multi-piece container comprising a thermoplastic coated paperboard body of a predetermined cross-sectional configuration, a thermoplastic adapter ring of a predetermined height and having an annular recess formed therein adapted to mount over and sit upon the top edge portion of said body and having an annular seal formed therebetween at an intermediate height thereof, and a substantially flat membrane formed of any suitable material sealed adjacent its peripheral edge to the top edge of said adapter ring, wherein said thermoplastic coated paperboard body includes a side seam which is one of a corner seam or a center seam, and said recess of said adapter ring is formed to accommodate same.
Claim 3
Dependent Claim
27 words
The multi-piece container described in claim 1, wherein said annular seal is effected around both the interior and exterior of said top edge portion of said body.
Claim 4
Dependent Claim
21 words
The multi-piece container described in claim 1, wherein said flat membrane is formed of one of a transparent film or paper.
Claim 5
Dependent Claim
33 words
The multi-piece container described in claim 1, wherein said cross-sectional configuration of said body is one of a square, rectangle, or combination of square at the bottom and round at the top configuration.
Claim 6
Dependent Claim
25 words
The multi-piece container described in claim 1, and an optional overcap adapted to mount over said membrane and said adapter ring without being sealed thereto.
Claim 7
Dependent Claim
29 words
The multi-piece container described in claim 5, and an inturned free edge formed on said overcap for retention cooperation with a mid-portion of the height of said annular ring.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-06-24 | 1994-12-24 | 1995-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-06-24 | 1998-12-24 | 1999-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-06-24 | 2002-12-24 | 2003-06-25 | $7700.00 | Window Closed / Lapsed |