US4424911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container tamper detection device
Assignee: Individual
•
Filing: 1982-12-10
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Granted: 1984-01-10
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Expires: 2002-12-10
Abstract
Abstract A tampering indicator for medicine bottles which changes color upon pressure applied to the bottle during opening.
Inventors
- 👤 Joseph A. Resnick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:03
CPC Classifications
B; B65; B65D; B65D55/00; B65D55/02; B65D55/026; Y; Y10; Y10S; Y10S206/00; Y10S206/807; Y10S428/00; Y10S428/916; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249994; Y10T428/249995; Y10T428/249997
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
66 words
A container having: (a) at least one strip of pliable material affixed to an outside surface of said container; (b) a plurality of fragile microspheres attached to said strip; (c) a substance contained within said microspheres which when released from said microspheres caused by destruction of said microspheres by pressure on said strip and upon interaction with said strip, initiates a color change within said strip.
Claim 2
Dependent Claim
66 words
A container having: (a) at least one strip of pliable material affixed to an outside surface of said container; (b) a plurality of fragile microspheres attached to said strip; (c) a substance contained within said microspheres which when released from said microspheres caused by destruction of said microspheres by pressure on said strip and upon interaction with said strip, initiates a color change within said strip.
Claim 3
Dependent Claim
11 words
The invention of claim 1 wherein said pliable material is paper.
Claim 4
Dependent Claim
18 words
The invention of claim 1 wherein said pliable material is litmus paper and said substance is an acid.
Claim 5
Dependent Claim
18 words
The invention of claim 1 wherein said pliable material is litmus paper and said substance is a base.
Claim 6
Dependent Claim
11 words
The invention of claim 1 wherein said substance is an ink.
Claim 7
Dependent Claim
11 words
The invention of claim 1 wherein said substance is a dye.
Claim 8
Dependent Claim
10 words
The invention of claim 1 wherein said microspheres are glass.
Claim 9
Dependent Claim
24 words
The invention of claim 1 wherein said strip is of sufficient thickness to substantially absorb all of said substance upon destruction of said microspheres.
Claim 10
Dependent Claim
11 words
The invention of claim 1 wherein said substance is a gas.
Claim 11
Dependent Claim
20 words
The invention of claim 1 wherein said strip has at least 2 layers and said microspheres are entrapped between layers.
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) | 1987-01-09 | 1987-07-11 | 1988-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-09 | 1991-07-11 | 1992-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-09 | 1995-07-11 | 1996-01-10 | $7700.00 | Window Closed / Lapsed |