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US5843564A Expired / Lapsed US ⏱️ 0.0 years remaining

Copy restrictive documents

Assignee: Eastman Kodak Co
•
Filing: 1997-05-09
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Granted: 1998-12-01
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Expires: 2017-05-09
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Abstract

Abstract A media for restricting the copying of a document utilizing one or more microdots that are embedded in said document for providing a non-visual, but machine detectable mark or marks. The detected means for detecting the presence of one or more microdots in said document inhibits a copy machine from copying the document.

Inventors

  • 👤 John Gasper
  • 👤 James Edward Sutton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 07:17
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00838; H04N1/0084; H04N1/00843; H04N1/00846; B; B41; B41M; B41M3/00; B41M3/14; B41M3/146; B42; B42D; B42D25/00; B42D25/20; B42D25/29; G; G03; G03C; G03C5/00; G03C5/08; G03G; G03G21/00; G03G21/04; G03G21/046; G06; G06K; G06K19/00; G06K19/06; G06K19/06009; G06K19/06037; H04N1/00856; H04N1/00875; G06K2019/06215; G06K2019/06225; G06K2019/06234; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10S430/00; Y10S430/153; Y10T; Y10T428/00; Y10T428/24; Y10T428/24777; Y10T428/24793; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/24893; Y10T428/24901; Y10T428/24934; Y10T428/31504; Y10T428/31971; Y10T428/31993

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 36 words
A copy restrictive currency comprising: a currency paper; and a pattern of visually undetectable microdots embedded in said currency paper; wherein said microdots are detectable by opto-electronic means which are capable of deactivating a printing device.
Claim 2
Dependent Claim 36 words
A copy restrictive currency comprising: a currency paper; and a pattern of visually undetectable microdots embedded in said currency paper; wherein said microdots are detectable by opto-electronic means which are capable of deactivating a printing device.
Claim 3
Dependent Claim 37 words
A copy restrictive currency comprising: a currency paper; and a pattern of visually undetectable yellow microdots embedded in said currency paper; wherein said microdots are detectable by opto-electronic means which are capable of deactivating a printing device.
Claim 4
Dependent Claim 37 words
A copy restrictive currency comprising: a currency paper; and a pattern of visually undetectable yellow microdots embedded in said currency paper; wherein said microdots are detectable by opto-electronic means which are capable of deactivating a printing device.

References Cited (Backward Citations)

US5396559A Cited
US5541741A Cited
US5291243A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-11-30 2002-06-01 2002-12-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-11-30 2006-06-01 2006-12-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-11-30 2010-06-01 2010-12-01 $7700.00 Window Closed / Lapsed

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