Patent US4578298A successfully refreshed from Google Patents.
US4578298A
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US
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Composite films for protecting documents from being reproduced
Assignee: KISOKASEISANGYOU Co Ltd A CORP OF JAPAN
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Filing: 1984-07-20
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Granted: 1986-03-25
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Expires: 2004-07-20
Abstract
Abstract A composite film for protecting documents from being reproduced comprising a colored transparent film and a transparent adhesive layer applied to the back of the transparent film.
Inventors
- 👤 Kazumasa Nagafuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:43
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/18; B32B7/00; B32B7/04; B32B7/06; B32B27/06; B32B27/08; B32B29/00; B32B29/002; B41; B41M; B41M7/00; B41M7/0027; G; G03; G03C; G03C5/00; G03C5/08; G03G; G03G21/00; G03G21/04; G03G21/043; G06; G06K; G06K19/00; G06K19/06; G06K19/06009; G06K19/06046; B32B2307/00; B32B2307/40; B32B2307/402; B32B2307/404; B32B2307/412; Y; Y10; Y10S; Y10S283/00; Y10S283/902; Y10T; Y10T428/00; Y10T428/14; Y10T428/1438; Y10T428/28; Y10T428/2804; Y10T428/2848
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
86 words
A composite film for protecting documents from being reproduced, said composite film being transparent and adapted to be affixed to the surface of a document on which information has been recorded, whereby the information can be read, but cannot be reproduced, comprising an orange, brown or red colored transparent film, a metallic foil capable of being seen through, said metallic foil being formed by vacuum deposition on the back of the transparent film, and a transparent adhesive layer applied to the surface of said metallic foil.
Claim 2
Dependent Claim
86 words
A composite film for protecting documents from being reproduced, said composite film being transparent and adapted to be affixed to the surface of a document on which information has been recorded, whereby the information can be read, but cannot be reproduced, comprising an orange, brown or red colored transparent film, a metallic foil capable of being seen through, said metallic foil being formed by vacuum deposition on the back of the transparent film, and a transparent adhesive layer applied to the surface of said metallic foil.
Claim 3
Dependent Claim
28 words
A composite film for protecting documents from being reproduced as claimed in claim 1, wherein a releasing paper is affixed removably to the surface of the adhesive layer.
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) | 1989-03-24 | 1989-09-23 | 1990-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-24 | 1993-09-23 | 1994-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-24 | 1997-09-23 | 1998-03-25 | $7700.00 | Window Closed / Lapsed |