Patent US6505779B1 successfully refreshed from Google Patents.
US6505779B1
Expired / Lapsed
US
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Security document with security marking formed of transparent windows
Assignee: Securency Pty Ltd
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Filing: 1999-01-14
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Granted: 2003-01-14
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Expires: 2019-01-14
Abstract
Abstract Security document ( 1 ) with security indicia ( 21 ) for preventing unauthorised reproduction, the security indicia being detectable in transmitted light, wherein the security indicia are located within the bounds of a security pattern ( 20 ) acting to visually conceal the security pattern in reflected light. The security pattern may be formed of one or more elements ( 25 ) and may have a complexity selected to enable the concealment of the security indicia ( 21 ).
Inventors
- 👤 Gary Power
- 👤 Paul Zientek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:23
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/40; B42D25/405; B42D25/41; B42D25/20; B42D25/29; B42D25/30; B42D25/333; B42D25/351
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
76 words
Security document with security indicia for preventing unauthorised reproduction, the security indicia being formed of at least partly transparent windows formed through the security document and being detectable in transmitted light, wherein the security indicia are located within bounds of a security pattern acting to visually conceal the security indicia in reflected light, the security pattern being formed of one or more elements and having a complexity selected to enable the concealment of the security indicia.
Claim 2
Dependent Claim
76 words
Security document with security indicia for preventing unauthorised reproduction, the security indicia being formed of at least partly transparent windows formed through the security document and being detectable in transmitted light, wherein the security indicia are located within bounds of a security pattern acting to visually conceal the security indicia in reflected light, the security pattern being formed of one or more elements and having a complexity selected to enable the concealment of the security indicia.
Claim 3
Dependent Claim
25 words
Security document according to claim 1 , wherein the number of elements per unit area is selected to enable the concealment of the security indicia.
Claim 4
Dependent Claim
26 words
Security document according to either of claim 1 or 2 , wherein the elements have an irregularity selected to enable the concealment of the security indicia.
Claim 5
Dependent Claim
25 words
Security document according to claim 1 , wherein dimensions of the one or more elements are selected to enable the concealment of the security indicia.
Claim 6
Dependent Claim
22 words
Security document according to claim 1 , wherein the security pattern is formed on a background surface by means of gravure printing.
Claim 7
Dependent Claim
22 words
Security document according to claim 1 , wherein the security pattern is formed on a background surface by means of offset printing.
Claim 8
Dependent Claim
22 words
Security document according to claim 1 , wherein the security pattern is formed on a background surface by means of intaglio printing.
Claim 9
Dependent Claim
37 words
Security document according to claim 1 , wherein the security pattern is formed on a background surface, the security pattern and the background having colours being respectively selected to contribute to the concealment of the security indicia.
Claim 10
Dependent Claim
28 words
Security document according to claim 8 , wherein the colours respectively of the security pattern and the background are highly contrasting and act to visually confuse a viewer.
Claim 11
Dependent Claim
24 words
Security document according to claim 1 , wherein the security indicia have a complexity selected to contribute to the concealment of the security indicia.
Claim 12
Dependent Claim
24 words
Security document according to claim 10 , wherein the security indicia are comprised of solid shapes of greater complexity than simple circles or squares.
Claim 13
Dependent Claim
33 words
Security document according to either one of claims 10 or 11 , wherein the security indicia have a width and height in the plane of the security document of less than 2.5 mm.
Claim 14
Dependent Claim
28 words
Security document according to claim 1 , wherein the security indicia and the security pattern have similar complexities in order to optimise the concealment of the security indicia.
Claim 15
Dependent Claim
40 words
Security document according to claim 1 , wherein the security document has a surface to which printed matter is applied, and an intaglio print is formed on the surface, the security indicia being located within bounds of the intaglio print.
Claim 16
Dependent Claim
49 words
Security document according to claim 1 , comprising an at least partially transparent substrate having first and second opposing faces, and one or more opaque layers applied to at least one of the faces, said windows being comprised of apertures formed through one or more of the opaque layers.
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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) | 2006-01-13 | 2006-07-15 | 2007-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-01-13 | 2010-07-15 | 2011-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-01-13 | 2014-07-15 | 2015-01-14 | $7700.00 | Window Closed / Lapsed |