US3659706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pharmacal package construction
Assignee: Parke Davis and Co LLC
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Filing: 1970-04-24
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Granted: 1972-05-02
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Expires: 1990-04-24
Abstract
Abstract A pharmacal package construction wherein a pair of blister sheets are closed by respective backing sheets and arranged with the blisters in proximate relation so that the backing sheets are outermost, the blister sheets being provided with detachably interfitting formations, to releasably retain the blister sheets and their backing sheets in position defining a package effectively protected by the backing sheets.
Inventors
- 👤 John J Serrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:07
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/04; B65D83/0445
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
60 words
A pharmacal package construction according to claim 1, said blisters each comprising a back wall spaced from said backing sheet, and a peripheral wall extending about the periphery of said back wall and toward said backing sheet, said female formations each comprising at least a portion of a blister back wall depressed into the blister toward the associated backing sheet.
Claim 2
Dependent Claim
29 words
A pharmacal package construction according to claim 2, said male formations each comprising at least a portion of the blister back wall protruding away from the associated backing sheet.
Claim 3
Dependent Claim
22 words
A pharmacal package construction according to claim 3, said blister back walls each being configured to define a male and female formation.
Claim 4
Dependent Claim
13 words
A pharmacal package construction according to claim 4, said blister sheets being identical.
Claim 5
Dependent Claim
28 words
A pharmacal package construction according to claim 3, said male and female formations each comprising the entire back wall and adjacent peripheral wall portion of a respective blister.
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) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |