US4447164A
Expired / Lapsed
US
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Temperature-responsive pacifier assembly
Assignee: Trp Energy Sensors Inc
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Filing: 1982-02-22
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Granted: 1984-05-08
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Expires: 2002-02-22
Abstract
Abstract There is disclosed a temperature responsive pacifier assembly comprised of a liquid crystal material in a liquid and responsive to a temperature above about 100 DEG F., whereby the liquid crystal material changes color to visuably indicate an abnormal temperature condition of an individual utilizing the pacifier assembly, as well as a process for manufacture same.
Inventors
- 👤 Dieter R. Berndt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:50
CPC Classifications
G; G01; G01K; G01K11/00; G01K11/12; G01K11/16; G01K11/165; A; A61; A61J; A61J17/00; A61J17/10; A61J17/103; G01K13/00; G01K13/20; A61J17/001; A61J2205/00; A61J2205/20
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
51 words
A heat-responsive pacifier assembly comprised of a pacifier body including a nipple portion having a chamber, a liquid sealingly disposed in said chamber and a liquid crystalline composition disposed in said liquid, said liquid crystal composition displaying a color change visually through said pacifier body at a temperature above 98.6° F.
Claim 2
Dependent Claim
51 words
A heat-responsive pacifier assembly comprised of a pacifier body including a nipple portion having a chamber, a liquid sealingly disposed in said chamber and a liquid crystalline composition disposed in said liquid, said liquid crystal composition displaying a color change visually through said pacifier body at a temperature above 98.6° F.
Claim 3
Dependent Claim
24 words
The heat-responsive pacifier assembly as described in claim 1 wherein said liquid crystal composition displays a color change at a temperature of 100° F.
Claim 4
Dependent Claim
19 words
The heat-responsive pacifier assembly as defined in claim 2 wherein said liquid crystalline composition is encapsulated within a capsule.
Claim 5
Dependent Claim
18 words
The heat-responsive pacifier assembly as defined in claim 3 wherein said capsule is formed of a gelatinous-based material.
Claim 6
Dependent Claim
32 words
The heat-responsive pacifier assembly as defined in claim 4 wherein said capsule is disposed within said chamber of said nipple portion of said pacifier, said chamber being sealed by an elastomeric material.
Claim 7
Dependent Claim
21 words
The heat-responsive pacifier assembly as defined in claim 5 wherein said liquid is inert to said elastomeric material and said capsule.
Claim 8
Dependent Claim
14 words
The heat-responsive pacifier assembly as defined in claim 6 wherein said liquid is glycerine.
Claim 9
Dependent Claim
18 words
The heat-responsive pacifier assembly as defined in claim 5 wherein said elastomeric material is a glycerine base elastomer.
Claim 10
Dependent Claim
20 words
The heat-responsive pacifier assembly as defined in claim 5 wherein said elastomeric material is a glycerine base elastomer polyvinyl chloride.
References Cited (Backward Citations)
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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) | 1987-05-08 | 1987-11-07 | 1988-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-08 | 1991-11-07 | 1992-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-08 | 1995-11-07 | 1996-05-08 | $7700.00 | Window Closed / Lapsed |