← Back to Patent Explorer
US5259649A Expired / Lapsed US ⏱️ 0.0 years remaining

Credit card

Assignee: Individual
•
Filing: 1991-06-24
•
Granted: 1993-11-09
•
Expires: 2011-06-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 02:01
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)

DE2854862A1 Cited
US4824144A Cited
US4947027A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag