Patent US3829133A successfully refreshed from Google Patents.
US3829133A
Expired / Lapsed
US
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Coded checks and in methods of coding
Assignee: Individual
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Filing: 1972-06-26
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Granted: 1974-08-13
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Expires: 1992-06-26
Abstract
Abstract There is disclosed in the present application a form of check incorporating a masked individual code for each check predictable before unmasking only by the authorized drawer of the check who has advance knowledge of the key by which the individual code for the check is determined. Different drawers are provided with different keys for determining individual check codes.
Inventors
- 👤 Romanoff E Smagala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:04
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/20; B42D25/29; Y; Y10; Y10S; Y10S428/00; Y10S428/916
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
80 words
A set of security check blanks comprising a plurality of check bodies each consisting of a single thickness of paper, removable masking means in the form of a coating applied to a portion of the body, a different code including at least two characters imprinted upon each check body beneath the masking means, and means including indicia on the unmasked portion of each check body comprising a serial number and a key group of characters for determining the masked code.
Claim 2
Dependent Claim
80 words
A set of security check blanks comprising a plurality of check bodies each consisting of a single thickness of paper, removable masking means in the form of a coating applied to a portion of the body, a different code including at least two characters imprinted upon each check body beneath the masking means, and means including indicia on the unmasked portion of each check body comprising a serial number and a key group of characters for determining the masked code.
Claim 3
Dependent Claim
40 words
A set of securitY check blanks according to claim 1 further characterized in that one of the characters of the code on each check body is included in the check serial number and another is included in the key group.
Claim 4
Dependent Claim
47 words
A set of security check blanks according to claim 1 further characterized in that the key group on each check body includes an index character and that the code character from the key group bears a predetermined positional relationship to the index character in the key group.
Claim 5
Independent Claim
109 words
A method of coding a check blank consisting of a single thickness of paper comprising the steps of providing a serial number at a first location on the blank check, imprinting at a second location spaced from the first upon the blank a group of characters including an index character and a character having a predetermined key positional relationship to the index character in the group, imprinting at a third location on the blank code characters including one from the serial number and one corresponding to that bearing the predetermined positional relationship with the index character and covering the code character with a coating to provide a removable mask.
Claim 6
Independent Claim
109 words
A method of coding a check blank consisting of a single thickness of paper comprising the steps of providing a serial number at a first location on the blank check, imprinting at a second location spaced from the first upon the blank a group of characters including an index character and a character having a predetermined key positional relationship to the index character in the group, imprinting at a third location on the blank code characters including one from the serial number and one corresponding to that bearing the predetermined positional relationship with the index character and covering the code character with a coating to provide a removable mask.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |