Patent US5219625A successfully refreshed from Google Patents.
US5219625A
Expired / Lapsed
US
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Thermochromic laminate member and toy utilizing the same
Assignee: Pilot Ink Co Ltd
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Filing: 1992-07-06
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Granted: 1993-06-15
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Expires: 2012-07-06
Abstract
Abstract A thermochromic laminate member comprises a thin transparent iridescent film laminated on a thermochromic layer 2, and exhibits rainbow-color pattern. The thermochromic layer shows reversible change between a first colored state and a second colored state by a temperature change.
Inventors
- 👤 Nobuaki Matsunami
- 👤 Hiroshi Inagaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:36
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/28; B41M5/282; A; A63; A63H; A63H3/00; A63H3/36; B44; B44F; B44F1/00; B44F1/08; B44F1/14; A63F; A63F2250/00; A63F2250/10; A63F2250/1026; A63F2250/1031; Y; Y10; Y10S; Y10S428/00; Y10S428/913
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
16 words
A thermochromic laminate member comprising a thermochromic layer and a thin transparent iridescent layer laminated thereon.
Claim 2
Dependent Claim
16 words
A thermochromic laminate member comprising a thermochromic layer and a thin transparent iridescent layer laminated thereon.
Claim 3
Dependent Claim
52 words
A thermochromic laminate member according to claim 1, wherein said thermochromic layer is capable of reversible color change between a first colored state and a second colored state, and further comprising, under said thermochromic layer, a back-coat layer of a color same as the color of said first or second colored state.
Claim 4
Dependent Claim
30 words
A thermochromic laminate member according to claim 1, wherein said thin transparent iridescent layer is formed in a plastic film itself, on the rear face thereof adhered is a cloth.
Claim 5
Dependent Claim
19 words
A thermochromic laminate member according to claim 3, wherein said thermochromic layer is formed by impregnation in said cloth.
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) | 1996-06-14 | 1996-12-14 | 1997-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-06-14 | 2000-12-14 | 2001-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-06-14 | 2004-12-14 | 2005-06-15 | $7700.00 | Window Closed / Lapsed |