CA2138660C - Methode pour verifier l'authenticite d'imprimes - Google Patents

Methode pour verifier l'authenticite d'imprimes Download PDF

Info

Publication number
CA2138660C
CA2138660C CA 2138660 CA2138660A CA2138660C CA 2138660 C CA2138660 C CA 2138660C CA 2138660 CA2138660 CA 2138660 CA 2138660 A CA2138660 A CA 2138660A CA 2138660 C CA2138660 C CA 2138660C
Authority
CA
Canada
Prior art keywords
color
ink
sales
sales record
printing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA 2138660
Other languages
English (en)
Other versions
CA2138660A1 (fr
Inventor
Michael F. Ii Detwiler
Bryan Hodges
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2138660A1 publication Critical patent/CA2138660A1/fr
Application granted granted Critical
Publication of CA2138660C publication Critical patent/CA2138660C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
CA 2138660 1994-01-26 1994-12-19 Methode pour verifier l'authenticite d'imprimes Expired - Fee Related CA2138660C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US18837994A 1994-01-26 1994-01-26
US188,379 1994-01-26
US31452394A 1994-09-27 1994-09-27
US314,523 1994-09-27

Publications (2)

Publication Number Publication Date
CA2138660A1 CA2138660A1 (fr) 1995-07-27
CA2138660C true CA2138660C (fr) 2000-03-07

Family

ID=26884026

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2138660 Expired - Fee Related CA2138660C (fr) 1994-01-26 1994-12-19 Methode pour verifier l'authenticite d'imprimes

Country Status (1)

Country Link
CA (1) CA2138660C (fr)

Also Published As

Publication number Publication date
CA2138660A1 (fr) 1995-07-27

Similar Documents

Publication Publication Date Title
US4846502A (en) Tamper evident document and use thereof
CA1039456A (fr) Encres et documents securitaires
US5193854A (en) Tamper-resistant article and method of authenticating the same
JP5158980B2 (ja) 両面2重直接熱画像要素及び両面2重直接熱取引レシートの生成方法
US5644352A (en) Multicolor heat-sensitive verification and highlighting system
US5586787A (en) Method and apparatus for prevention of register receipt falsification
US5209513A (en) Method for preventing counterfeiting of sales receipts
JPH04303692A (ja) 情報記録媒体
US4730848A (en) Credit card transaction slips pack and method of making
EP0942835B1 (fr) Methodes de verification d' articles thermosensibles.
US4936607A (en) Security for images formed by impact based systems
US5718456A (en) Method for verifying authenticity of sales record
US5970875A (en) Pressure-sensitive tamper evident system
CA2031626C (fr) Ventes de disques
CA2138660C (fr) Methode pour verifier l'authenticite d'imprimes
US5120088A (en) Method of securing a transaction record
US5667317A (en) Fluorescent security system for printed transaction records
JP2855847B2 (ja) 情報記録媒体
US5047384A (en) Carbonless multiple ply credit card transaction form
JP2536811Y2 (ja) プリペイドカード
JP3822734B2 (ja) 偽造防止用紙
CN1192561A (zh) 标志系统及其用途
JPH07323659A (ja) 複写用紙
GR20210100598A (el) Θερμικο χρωματιστο χαρτι
JPH0655882A (ja) カードの真偽判別方法及びカード

Legal Events

Date Code Title Description
EEER Examination request
FZDC Correction of dead application (reinstatement)
MKLA Lapsed