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Patent US4582345A successfully refreshed from Google Patents.
US4582345A
Expired / Lapsed
US
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Security device for sheet material and method of marking the device
Assignee: Individual
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Filing: 1984-05-10
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Granted: 1986-04-15
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Expires: 2004-05-10
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 07:44
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)
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 |