US5599047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic metallic safeguarding thread with negative writing and a method of making same
Assignee: GAO Gesellschaft fuer Automation und Organisation mbH
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Filing: 1994-08-02
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Granted: 1997-02-04
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Expires: 2014-08-02
Abstract
Abstract The invention relates to a security document, in particular a bank note, identity card or the like, having a security element which is provided with characters, patterns, etc., visually readable at least in transmitted light and which is electrically conductive and bears additional substances for machine testing, and to a method for producing such a security element. The security element preferably consists of a transparent film strip that bears negative writing readily capable of visual checking and is additionally provided with electrically conductive and magnetic substances.
Inventors
- 👤 Wittich Kaule
- 👤 Michael Boehm
- 👤 Walter Schneider
- 👤 Theodor Burchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:12
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/30; B42D25/355; Y; Y10; Y10S; Y10S283/00; Y10S283/901; Y10S428/00; Y10S428/914; Y10S428/915
Claims Analysis
Total Claims: 48
Claim 1
Independent Claim
91 words
A security document having a security element comprising a transparent carrier film, said transparent carrier film including at least one electrically conductive metal layer, the metal layer being provided with recesses in the form of indicia visually readable at least in transmitted light, and said transparent carrier film further including a magnetic substance disposed in selected partial areas having gaps therebetween on top of the metal layer with said indica being located in said gaps, wherein said magnetic substance is readable by machine and said indicia are readable by visual inspection.
Claim 2
Dependent Claim
91 words
A security document having a security element comprising a transparent carrier film, said transparent carrier film including at least one electrically conductive metal layer, the metal layer being provided with recesses in the form of indicia visually readable at least in transmitted light, and said transparent carrier film further including a magnetic substance disposed in selected partial areas having gaps therebetween on top of the metal layer with said indica being located in said gaps, wherein said magnetic substance is readable by machine and said indicia are readable by visual inspection.
Claim 3
Dependent Claim
38 words
The security document of claim 1, in which the security element is a thread and the visually readable indicia and the machine testable substance are disposed alternatingly in the longitudinal direction of the direction of the security element.
Claim 4
Dependent Claim
23 words
The security document of claim 1, in which the machine testable substance is disposed symmetrically on opposite sides of the visually readable indicia.
Claim 5
Dependent Claim
67 words
A security document having a security element comprising a transparent carrier film which is provided on a surface thereof with a machine magnetic substance and at least one electrically conductive metal layer which is disposed on top of the machine testable substance, the metal layer and the machine testable substance including congruent recesses formed therein in the form of indicia visually readable at least in transmitted light.
Claim 6
Dependent Claim
67 words
A security document having a security element comprising a transparent carrier film which is provided on a surface thereof with a machine magnetic substance and at least one electrically conductive metal layer which is disposed on top of the machine testable substance, the metal layer and the machine testable substance including congruent recesses formed therein in the form of indicia visually readable at least in transmitted light.
Claim 7
Dependent Claim
20 words
A security document of claim 4, in which a second metal layer is congruently disposed underneath the machine testable substance.
Claim 8
Dependent Claim
89 words
A security document having a security element comprising a transparent carrier film which is provided on a surface thereof with at least one machine testable magnetic substance being applied in mutually spaced regions, thus defining gaps between said mutually spaced regions, and at least one electrically conductive metal layer disposed on top of the machine testable substance and on said gaps, the metal layer being provided with recesses in the form of indicia, said indicia being disposed in the gaps and being visually readable at least in transmitted light.
Claim 9
Dependent Claim
89 words
A security document having a security element comprising a transparent carrier film which is provided on a surface thereof with at least one machine testable magnetic substance being applied in mutually spaced regions, thus defining gaps between said mutually spaced regions, and at least one electrically conductive metal layer disposed on top of the machine testable substance and on said gaps, the metal layer being provided with recesses in the form of indicia, said indicia being disposed in the gaps and being visually readable at least in transmitted light.
Claim 10
Dependent Claim
20 words
The security document of claim 6, in which a second metal layer is congruently disposed underneath the machine testable substance.
Claim 11
Dependent Claim
19 words
The security document of claim 6, in which the machine testable substance is mixed with an electrically conductive material.
Claim 12
Dependent Claim
16 words
The security document of claim 8, in which the electrically conductive material comprises carbon black particles.
Claim 13
Dependent Claim
18 words
The security document of claim 6, in which the electrically conductive metal layer comprises a metallic printing ink.
Claim 14
Dependent Claim
65 words
A security document having a security element comprising a transparent carrier film which is provided on a surface thereof with a printing ink containing at least one electrically conductive substance and at least one machine testable magnetic substance , said ink being provided on the carrier film with recesses formed in said ink in the form of indicia visually readable at least in transmitted light.
Claim 15
Dependent Claim
65 words
A security document having a security element comprising a transparent carrier film which is provided on a surface thereof with a printing ink containing at least one electrically conductive substance and at least one machine testable magnetic substance , said ink being provided on the carrier film with recesses formed in said ink in the form of indicia visually readable at least in transmitted light.
Claim 16
Dependent Claim
23 words
The security document of claim 11, in which a partly permeable electrically conductive metallic or oxide layer is disposed underneath said one layer.
Claim 17
Dependent Claim
16 words
The security document of claim 11, in which the electrically conductive substance comprises carbon black particles.
Claim 18
Dependent Claim
32 words
The security document of claim 1, 4, 6, or 11, in which the metal layer is selected from a group consisting of bronze inks, imitation metal inks, or a vacuum metalized layer.
Claim 19
Dependent Claim
20 words
The security document of claim 1, 4, 6 or 11, in which the machine testable substance is a magnetic ink.
Claim 20
Dependent Claim
94 words
A security element to be incorporated into a security document comprising a transparent carrier film, said transparent carrier film including at least one electrically conductive metal layer, the metal layer being provided with recesses in the form of indicia visually readable at least in transmitted light, and said transparent carrier film further including a magnetic substance disposed in selected partial areas having gaps therebetween on top of the metal layer with said indicia being located in said gaps, wherein said magnetic substance is readable by machine and said indicia are readable by visual inspection.
Claim 21
Dependent Claim
94 words
A security element to be incorporated into a security document comprising a transparent carrier film, said transparent carrier film including at least one electrically conductive metal layer, the metal layer being provided with recesses in the form of indicia visually readable at least in transmitted light, and said transparent carrier film further including a magnetic substance disposed in selected partial areas having gaps therebetween on top of the metal layer with said indicia being located in said gaps, wherein said magnetic substance is readable by machine and said indicia are readable by visual inspection.
Claim 22
Dependent Claim
73 words
A security element to be incorporated into a security document comprising a transparent carrier film which is provided on a surface thereof with at least one machine testable substance having magnetic properties and at least one electrically conductive metal layer disposed on top of the machine testable substance, the metal layer and the machine testable substance including congruent recesses formed therein in the form of indicia visually readable at least in transmitted light.
Claim 23
Dependent Claim
73 words
A security element to be incorporated into a security document comprising a transparent carrier film which is provided on a surface thereof with at least one machine testable substance having magnetic properties and at least one electrically conductive metal layer disposed on top of the machine testable substance, the metal layer and the machine testable substance including congruent recesses formed therein in the form of indicia visually readable at least in transmitted light.
Claim 24
Dependent Claim
93 words
A security element to be incorporated into a security document comprising a transparent carrier film which is provided on a surface thereof with at least one machine testable magnetic substance being applied in mutually spaced regions, thus defining gaps between said mutually Spaced regions, and at least one electrically conductive metal layer being disposed on top of the machine testable substance and on said gaps, the metal layer being provided with recesses in the form of indicia, said indicia being disposed in the gaps and being visually readable at least in transmitted light.
Claim 25
Dependent Claim
93 words
A security element to be incorporated into a security document comprising a transparent carrier film which is provided on a surface thereof with at least one machine testable magnetic substance being applied in mutually spaced regions, thus defining gaps between said mutually Spaced regions, and at least one electrically conductive metal layer being disposed on top of the machine testable substance and on said gaps, the metal layer being provided with recesses in the form of indicia, said indicia being disposed in the gaps and being visually readable at least in transmitted light.
Claim 26
Dependent Claim
62 words
A security element to be incorporated into a security document comprising a transparent carrier film which is provided on a surface thereof with a printing ink containing at least one electrically conductive substance and at least one machine testable magnetic substance, said ink being provided on the document with recesses in the form of indicia visually readable at least in transmitted light.
Claim 27
Dependent Claim
62 words
A security element to be incorporated into a security document comprising a transparent carrier film which is provided on a surface thereof with a printing ink containing at least one electrically conductive substance and at least one machine testable magnetic substance, said ink being provided on the document with recesses in the form of indicia visually readable at least in transmitted light.
Claim 28
Independent Claim
112 words
A method for producing a security element to be incorporated into a security document and provided with indicia that are readily visible, both in transmitted light and in incident light, and machine readable, comprising the steps of: printing on a surface of a transparent carrier film with an activatable ink in form of readable indicia, applying a metallic layer over the entire carrier film, activating the ink to produce recesses in the form of the indicia in the metallic layer, applying a magnetic substance over selected partial areas having gaps therebetween of the carrier film with said indicia being located in said gaps, and cutting the film into strips of suitable width.
Claim 29
Independent Claim
112 words
A method for producing a security element to be incorporated into a security document and provided with indicia that are readily visible, both in transmitted light and in incident light, and machine readable, comprising the steps of: printing on a surface of a transparent carrier film with an activatable ink in form of readable indicia, applying a metallic layer over the entire carrier film, activating the ink to produce recesses in the form of the indicia in the metallic layer, applying a magnetic substance over selected partial areas having gaps therebetween of the carrier film with said indicia being located in said gaps, and cutting the film into strips of suitable width.
Claim 30
Dependent Claim
19 words
The method of claim 20, in which the indicia are printed in the form of parallel lines and columns.
Claim 31
Dependent Claim
20 words
The method of claim 20, in which the indicia are applied in parallel columns and shifted by half a line.
Claim 32
Dependent Claim
18 words
The method of claim 22, in which the magnetic substance is applied in bars parallel to the columns.
Claim 33
Dependent Claim
18 words
The method of claim 20, in which the magnetic substance is applied in stripes parallel to the lines.
Claim 34
Dependent Claim
16 words
The method of claim 20, in which the magnetic substance is mixed with electrically conductive material.
Claim 35
Dependent Claim
16 words
The method of claim 25, in which the magnetic substance is mixed with carbon black particles.
Claim 36
Dependent Claim
15 words
The method of claim 20, in which the activatable ink is activated by chemical solvents.
Claim 37
Independent Claim
148 words
A method for producing a security element to be incorporated into a security document and provided with indicia that are readily visible, both in transmitted light and in incident light, and machine readable, comprising the steps of: printing on a surface of a transparent carrier film with an activatable ink in form of the indicia later to be readily visual, both in transmitted light and in incident light, and machine readable, providing the side of the carrier film bearing the activatable ink with a layer of a machine testable magnetic substance over the entire carrier film, applying a metallic layer over the entire machine testable substance, then activating the activatable ink to remove all layers of the carrier film giving rise to congruent recesses in the form of the indicia in the metallic layer and the machine testable substance, and cutting the film in strips of suitable width.
Claim 38
Independent Claim
148 words
A method for producing a security element to be incorporated into a security document and provided with indicia that are readily visible, both in transmitted light and in incident light, and machine readable, comprising the steps of: printing on a surface of a transparent carrier film with an activatable ink in form of the indicia later to be readily visual, both in transmitted light and in incident light, and machine readable, providing the side of the carrier film bearing the activatable ink with a layer of a machine testable magnetic substance over the entire carrier film, applying a metallic layer over the entire machine testable substance, then activating the activatable ink to remove all layers of the carrier film giving rise to congruent recesses in the form of the indicia in the metallic layer and the machine testable substance, and cutting the film in strips of suitable width.
Claim 39
Dependent Claim
23 words
The method of claim 28, in which the metallic layer comprises a vacuum metalized layer, a bronze ink or an imitation metal ink.
Claim 40
Dependent Claim
18 words
The method of claim 28, in which the machine testable substance is mixed with an electrically conductive material.
Claim 41
Dependent Claim
17 words
The method of claim 30, in which the machine testable substance is mixed with carbon black properties.
Claim 42
Dependent Claim
15 words
The method of claim 28, in which the machine testable substance is a magnetic ink.
Claim 43
Dependent Claim
23 words
The method of claim 28, in which the removal of the layers over the carrier film is supported by ultrasonics, brushing, or rubbing.
Claim 44
Dependent Claim
23 words
The method of claim 28, in which the activatable ink is selected from a group consisting of wax bearing emulsions or foamable additives.
Claim 45
Dependent Claim
20 words
The method of claim 34, in which the foamable additives are present in the ink in the form of microcapsules.
Claim 46
Dependent Claim
25 words
The method of claim 28, which comprises activating the activatable ink by a laser beam, use of heat, electron beam, a coolant or by pressure.
Claim 47
Dependent Claim
25 words
The method of claim 28, in which a further metallic layer is provided congruently underneath the magnetic substance and on top of the activatable ink.
Claim 48
Dependent Claim
19 words
The method of claim 28, which comprises applying a protective transparent layer of lacquer prior to the cutting step.
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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) | 2000-02-04 | 2000-08-05 | 2001-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-02-04 | 2004-08-05 | 2005-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-02-04 | 2008-08-05 | 2009-02-04 | $7700.00 | Window Closed / Lapsed |