US6030000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Negotiable document having enhanced security for deterring fraud by use of a thermochromatic fingerprint image
Assignee: Diamond Security Inc
•
Filing: 1997-10-24
•
Granted: 2000-02-29
•
Expires: 2017-10-24
Abstract
Abstract A negotiable document having enhanced security for deterring fraud includes at least one thermochromatic fingerprint image printed with thermochromatic ink, wherein said thermochromatic fingerprint image will fade when heat is transferred to the image from a live human hand. The negotiable document further includes a warning clause that the negotiable document may be fraudulent without the thermochromatic fingerprint image.
Inventors
- 👤 Robert I. Diamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:51
CPC Classifications
B; B41; B41M; B41M3/00; B41M3/10; B41M3/14; B41M3/142; B42; B42D; B42D25/00; B42D25/20; B42D25/29
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
37 words
A negotiable document having enhanced security for deterring fraud, including: at least one thermochromatic image printed with thermochromatic ink, wherein said thermochromatic image will fade when heat is transferred to the image from a live human hand.
Claim 2
Dependent Claim
37 words
A negotiable document having enhanced security for deterring fraud, including: at least one thermochromatic image printed with thermochromatic ink, wherein said thermochromatic image will fade when heat is transferred to the image from a live human hand.
Claim 3
Dependent Claim
22 words
The negotiable document of claim 1 further including a warning clause that the negotiable document may be fraudulent without the thermochromatic image.
Claim 4
Dependent Claim
18 words
The negotiable document of claim 1 including a warning clause describing a thermochromatic property of the thermochromatic image.
Claim 5
Dependent Claim
24 words
The negotiable document of claim 1 wherein the thermochromatic image is located in the endorsement portion on a back side of the negotiable document.
Claim 6
Dependent Claim
25 words
The negotiable document of claim 1 wherein the thermochromatic image is located in the payor identification portion on a front face of the negotiable document.
Claim 7
Dependent Claim
13 words
The negotiable document of claim 1 wherein the thermochromatic image is a fingerprint.
Claim 8
Dependent Claim
51 words
A negotiable document having enhanced security for deterring fraud, including: at least one thermochromatic image printed with thermochromatic ink, wherein said thermochromatic image will fade when heat is transferred to the image from a live human hand, said image being impressed by a signature plate concurrent with impressing an authorized signature.
Claim 9
Dependent Claim
51 words
A negotiable document having enhanced security for deterring fraud, including: at least one thermochromatic image printed with thermochromatic ink, wherein said thermochromatic image will fade when heat is transferred to the image from a live human hand, said image being impressed by a signature plate concurrent with impressing an authorized signature.
Claim 10
Dependent Claim
22 words
The negotiable document of claim 6 further including a warning clause that the negotiable document may be fraudulent without the thermochromatic image.
Claim 11
Dependent Claim
18 words
The negotiable document of claim 6 including a warning clause describing a thermochromatic property of the thermochromatic image.
Claim 12
Dependent Claim
13 words
The negotiable document of claim 1 wherein the thermochromatic image is a fingerprint.
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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) | 2003-02-28 | 2003-08-30 | 2004-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-02-28 | 2007-08-30 | 2008-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-02-28 | 2011-08-30 | 2012-02-29 | $7700.00 | Window Closed / Lapsed |