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US4582345A Expired / Lapsed US ⏱️ 0.0 years remaining

Security device for sheet material and method of marking the device

Assignee: Individual
•
Filing: 1984-05-10
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Granted: 1986-04-15
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Expires: 2004-05-10
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Abstract

Abstract A method of indicating the face value of a commercial document such as a bank draft or a check while simultaneously precluding subsequent alteration thereof.

Inventors

  • 👤 Terrence F. Kehoe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 07:25
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/20; B42D25/29

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 143 words
A method of indicating the face value of a commercial document such as a bank draft or a check while simultaneously precluding subsequent alteration thereof comprising the steps of: providing a conventional check-size sheet of cellulosic material, allotting a portion of said sheet defining a single, generally rectangular field or outline for indicating face value digitally and for precluding subsequent alteration, arranging within said outline a plurality of vertically spaced rows of Arabic digits in which each row contains the digits 0 through 9 including a monetary symbol, labelling each row in accordance with multiples of the decimal system, indicating the face amount of the check by marking a single digit in the appropriate rows of digits, and, precluding subsequent alteration by marking the monetary symbol of the particular row of Arabic digits which includes the most significant digit of said face value.
Claim 2
Independent Claim 143 words
A method of indicating the face value of a commercial document such as a bank draft or a check while simultaneously precluding subsequent alteration thereof comprising the steps of: providing a conventional check-size sheet of cellulosic material, allotting a portion of said sheet defining a single, generally rectangular field or outline for indicating face value digitally and for precluding subsequent alteration, arranging within said outline a plurality of vertically spaced rows of Arabic digits in which each row contains the digits 0 through 9 including a monetary symbol, labelling each row in accordance with multiples of the decimal system, indicating the face amount of the check by marking a single digit in the appropriate rows of digits, and, precluding subsequent alteration by marking the monetary symbol of the particular row of Arabic digits which includes the most significant digit of said face value.

References Cited (Backward Citations)

US852257A Cited
US1465099A Cited
US1344235A Cited
US1567613A Cited
US4358852A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-04-14 1989-10-14 1990-04-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-04-14 1993-10-14 1994-04-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-04-14 1997-10-14 1998-04-15 $7700.00 Window Closed / Lapsed

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