US4408693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blister pack
Assignee: CMP CHEMICAL AND METALLURGICAL PRODUCTS Ltd
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Filing: 1981-09-09
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Granted: 1983-10-11
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Expires: 2001-09-09
Abstract
Abstract There is described a blister pack, which is formed by a box-shaped holder with a cover fitting thereon, whereby the box-like holder is provided in turn with a rim wherewith said holder can be made fast to a support, such as a flat sheet.
Inventors
- 👤 Luc Brewaeys
- 👤 Maurice Hens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:00
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/36; B65D75/321; B65D75/322
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
179 words
A blister pack container comprising, a box-shaped holder and a corresponding cover for said holder, said holder comprising a lower inner rim and an upper outer rim with a step being defined between said inner and outer rims, said cover including a support and a downwardly projecting underlying rim which inserts into said inner rim of said holder when said cover is inserted into said holder, said cover underlying rim and said lower inner and upper outer holder rims extending substantially fully around the peripheries of said cover and holder respectively, and said holder being initially attached to said cover by securing said upper outer rim of said holder to said support, and said cover being removable from said holder by cutting through the blister pack through said upper outer rim around said step to remove the outer rim and the support to which it is attached, leaving said holder with its inner rim and the step and said cover with its downwardly projecting underlying rim on top of said inner rim to form a reusable and reopenable container.
Claim 2
Dependent Claim
179 words
A blister pack container comprising, a box-shaped holder and a corresponding cover for said holder, said holder comprising a lower inner rim and an upper outer rim with a step being defined between said inner and outer rims, said cover including a support and a downwardly projecting underlying rim which inserts into said inner rim of said holder when said cover is inserted into said holder, said cover underlying rim and said lower inner and upper outer holder rims extending substantially fully around the peripheries of said cover and holder respectively, and said holder being initially attached to said cover by securing said upper outer rim of said holder to said support, and said cover being removable from said holder by cutting through the blister pack through said upper outer rim around said step to remove the outer rim and the support to which it is attached, leaving said holder with its inner rim and the step and said cover with its downwardly projecting underlying rim on top of said inner rim to form a reusable and reopenable container.
Claim 3
Dependent Claim
38 words
Blister pack as defined in claim 1, in which said outer rim from the box-like holder is wider than the rim of said cover, and the wider part is made fast to the support, for instance by welding.
Claim 4
Dependent Claim
54 words
Blister pack as defined in claim 1, in which said box-like holder is provided with flanges running at an angle to the edges, in such a way that the bottom of said box-like holder fits into a center recess of the cover and a plurality of blister packs can be piled on one another.
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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) | 1986-10-10 | 1987-04-11 | 1987-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-10 | 1991-04-11 | 1991-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-10 | 1995-04-11 | 1995-10-11 | $7700.00 | Window Closed / Lapsed |