Patent US5772248A successfully refreshed from Google Patents.
US5772248A
Expired / Lapsed
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Document with tamper and counterfeit resistant relief markings
Assignee: Verify First Technologies Inc
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Filing: 1995-12-07
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Granted: 1998-06-30
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Expires: 2015-12-07
Abstract
Abstract A tamper and counterfeit resistant security maker comprises relief impressions having a plurality of distinct and contrasting relief structures, wherein a first relief structure comprises a background pattern and at least a second relief structure comprises a latent image pattern containing informational content. The relief patterns comprise different optical properties which facilitates the viewing of a latent image pattern at certain angles.
Inventors
- 👤 George K. Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:31
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/20; B42D25/29
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
182 words
A tamper and counterfeit resistant document comprising: a substrate; and a security tamper resistant overlay marker applied to said substrate, said security tamper resistant overlay marker comprising a first latent image, said first latent image comprising an image relief structure, said image relief structure comprising a flat portion and a ridge portion, said ridge portion comprising a first series of ridges, said flat portion defining a first plane; each of said ridges of said first series of ridges having a top, said tops of said ridges of said first series of ridges defining a second plane, said second plane located above said first plane with respect to said substrate; and a second latent image comprising an internal image relief structure comprising a second series of ridges; said second series of ridges formed in said flat portion of said internal image relief structure, each of said ridges of said second series of ridges having a bottom, said bottom of said ridges of said second series of ridges defining a third plane, said third plane below said first plane with respect to said substrate.
Claim 2
Dependent Claim
182 words
A tamper and counterfeit resistant document comprising: a substrate; and a security tamper resistant overlay marker applied to said substrate, said security tamper resistant overlay marker comprising a first latent image, said first latent image comprising an image relief structure, said image relief structure comprising a flat portion and a ridge portion, said ridge portion comprising a first series of ridges, said flat portion defining a first plane; each of said ridges of said first series of ridges having a top, said tops of said ridges of said first series of ridges defining a second plane, said second plane located above said first plane with respect to said substrate; and a second latent image comprising an internal image relief structure comprising a second series of ridges; said second series of ridges formed in said flat portion of said internal image relief structure, each of said ridges of said second series of ridges having a bottom, said bottom of said ridges of said second series of ridges defining a third plane, said third plane below said first plane with respect to said substrate.
Claim 3
Dependent Claim
45 words
The tamper and counterfeit resistant document of claim 1 wherein said ridges of said first series of ridges are substantially parallel to said ridges of said second series of ridges, and wherein said first series of ridges are complementary to said second series of ridges.
Claim 4
Dependent Claim
30 words
The tamper and counterfeit resistant document of claim 1 wherein said ridges of said first series of ridges are nonintersecting and said ridges of second series of ridges are nonintersecting.
Claim 5
Dependent Claim
27 words
The tamper and counterfeit resistant document of claim 1 wherein said second series of ridges comprise informational content in the form of at least one alpha-numeric character.
Claim 6
Dependent Claim
17 words
The tamper and counterfeit resistant document of claim 1 wherein said second series of ridges is specular.
Claim 7
Dependent Claim
20 words
The tamper and counterfeit resistant document of claim 1 wherein said security tamper resistant overlay marker comprises a thermoplastic material.
Claim 8
Dependent Claim
20 words
The tamper and counterfeit resistant document of claim 1 wherein said security tamper resistant overlay marker comprises a metallic material.
Claim 9
Dependent Claim
24 words
The tamper and counterfeit resistant document of claim 1 wherein said security tamper resistant overlay marker comprises a dye, ink or toner receptive material.
Claim 10
Dependent Claim
20 words
The tamper and counterfeit resistant document of claim 1 wherein said security tamper resistant overlay marker comprises a glossy coating.
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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) | 2001-06-29 | 2001-12-29 | 2002-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-06-29 | 2005-12-29 | 2006-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-06-29 | 2009-12-29 | 2010-06-30 | $7700.00 | Window Closed / Lapsed |