Patent US5259649A successfully refreshed from Google Patents.
US5259649A
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Credit card
Assignee: Individual
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Filing: 1991-06-24
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Granted: 1993-11-09
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Expires: 2011-06-24
Abstract
Abstract Credit cards intended to eliminate or at least greatly reduce misuse by unauthorized persons. The card bears in addition to the correct identification number a number of further digits or letters, so that a person obtaining such card in an unauthorized manner will not be able to identify the correct number. The rightful owner has only to remember which of the numbers or letters is not part of the correct identification code. A card may be provided with a number of identification codes, encircled by a variety of different geometrical shapes, thus the owner has only to remember the shape in order to identify his correct access code.
Inventors
- 👤 Gur Shomron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:17
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/20; B42D25/23; B42D25/30; G; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/347; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G07F7/1025; G07F7/1058; B42D25/26; Y; Y10; Y10S; Y10S283/00; Y10S283/904
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
82 words
A credit-card comprising as identification of an authorized card-holder a sequence selected from numbers and letters, wherein in addition to an authorizing sequence the card bears a plurality of indicia imprinted on a substrate selected from a sequence of numbers and letter, one of which is an authorizing code to be used by a user for purchases, said groups further comprising different geometrical shapes one of said geometrical shapes identifying the authorizing code, which pattern cannot be identified by an unauthorized user.
Claim 2
Dependent Claim
82 words
A credit-card comprising as identification of an authorized card-holder a sequence selected from numbers and letters, wherein in addition to an authorizing sequence the card bears a plurality of indicia imprinted on a substrate selected from a sequence of numbers and letter, one of which is an authorizing code to be used by a user for purchases, said groups further comprising different geometrical shapes one of said geometrical shapes identifying the authorizing code, which pattern cannot be identified by an unauthorized user.
Claim 3
Dependent Claim
17 words
A credit card according to claim 1 where the groups are sequences selected from numbers and letters.
Claim 4
Dependent Claim
19 words
A credit card according to claim 1 comprising more than one correct code, amongst a plurality of incorrect codes.
Claim 5
Dependent Claim
38 words
A credit card as claimed in claim 1, where the groups comprise distinctive patterns including encircling said groups by different geometrical shapes, whereby the card-owner has to remember only the shape in order to find the correct code.
Claim 6
Dependent Claim
25 words
A credit card according to claim 1 where at least one of the code groups represents a secret number for use in a bank machine.
Claim 7
Dependent Claim
37 words
A credit-card according to claim 1 being a card for making phone calls wherein the purchases are purchases of phone calls and at least one of the indicia sequence is an authorizing code for making phone calls.
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) | 1996-11-08 | 1997-05-10 | 1997-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-11-08 | 2001-05-10 | 2001-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-11-08 | 2005-05-10 | 2005-11-09 | $7700.00 | Window Closed / Lapsed |