US4838425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamper indicator for a blister package
Assignee: Kenvue Brands LLC
•
Filing: 1987-12-17
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Granted: 1989-06-13
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Expires: 2007-12-17
Abstract
Abstract A tamper indicator for a blister package having a rupturable lid which is attached to a base formed with recesses that hold articles in the recesses between the lid and the base. The indicator comprises an easily ruptured and tearable film that completely covers the exposed surface of the base and is attached to the lid near the juncture of the lid and the base.
Inventors
- 👤 Denise M. O'Brien
- 👤 Carlo P. Croce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:41
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/325; B65D75/327; B65D2401/00; B65D2585/00; B65D2585/56; Y; Y10; Y10S; Y10S206/00; Y10S206/807
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
63 words
A tamper indicator for a package having a base formed with a recess and a rupturable lid positioned thereon for holding articles in the recess and to define a margin therebetween which comprises: a frangible polyvinylchloride film dimensioned for covering said base with a periphery of said film overlapping said margin; and means to secure the periphery of said film to said lid.
Claim 2
Dependent Claim
63 words
A tamper indicator for a package having a base formed with a recess and a rupturable lid positioned thereon for holding articles in the recess and to define a margin therebetween which comprises: a frangible polyvinylchloride film dimensioned for covering said base with a periphery of said film overlapping said margin; and means to secure the periphery of said film to said lid.
Claim 3
Dependent Claim
17 words
An indicator as cited in claim 1 wherein said base is formed with a plurality of recesses.
Claim 4
Dependent Claim
21 words
An indicator as cited in claim 2 wherein said securing means is an adhesive deposited on the periphery of said film.
Claim 5
Dependent Claim
33 words
An indicator as cited in claim 2 wherein said film is a heat shrinkable biaxially oriented polyvinylchloride and said securing means is a heat seal coating deposited on the periphery of said film.
Claim 6
Dependent Claim
25 words
An indicator as cited in claim 2 wherein said film is dimensioned to hold at least one additional object between said film and said package.
Claim 7
Dependent Claim
36 words
An indicator as cited in claim 5 wherein said additional object is a second package having a base formed with at least one recess and a rupturable lid positioned thereon to hold articles in said recess.
Claim 8
Dependent Claim
14 words
An indicator as cited in claim 5 wherein said additional object is a brochure.
References Cited (Backward Citations)
NL6600918A
Cited
US3331495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-12 | 1992-12-12 | 1993-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-12 | 1996-12-12 | 1997-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-12 | 2000-12-12 | 2001-06-13 | $7700.00 | Window Closed / Lapsed |