GB488589A - Improvements in labels, stamps and like articles - Google Patents

Improvements in labels, stamps and like articles

Info

Publication number
GB488589A
GB488589A GB6635/37A GB663537A GB488589A GB 488589 A GB488589 A GB 488589A GB 6635/37 A GB6635/37 A GB 6635/37A GB 663537 A GB663537 A GB 663537A GB 488589 A GB488589 A GB 488589A
Authority
GB
United Kingdom
Prior art keywords
ticket
stamps
labels
articles
röntgen
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
Application number
GB6635/37A
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.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and Devrient AG
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 Giesecke and Devrient AG filed Critical Giesecke and Devrient AG
Publication of GB488589A publication Critical patent/GB488589A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • G09F3/0294—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time where the change is not permanent, e.g. labels only readable under a special light, temperature indicating labels and the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

A ticket, label, stamp or the like is printed on one side and on the other side is coated with an adhesive containing a substance such as sodium salicylate which, when the ticket is removed from a surface to which it has been stuck, will leave on the surface substantially invisible traces which can be made visible by exposure to Röntgen or ultra-violet radiation. The Specification as open to inspection under Sect. 91 refers also to the use of indicators such as Congo red, which give a colour change by a chemical test. This subject-matter does not appear in the Specification as accepted.
GB6635/37A 1936-03-05 1937-03-05 Improvements in labels, stamps and like articles Expired GB488589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE488589X 1936-03-05

Publications (1)

Publication Number Publication Date
GB488589A true GB488589A (en) 1938-07-11

Family

ID=6543824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6635/37A Expired GB488589A (en) 1936-03-05 1937-03-05 Improvements in labels, stamps and like articles

Country Status (1)

Country Link
GB (1) GB488589A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2598538A1 (en) * 1986-05-12 1987-11-13 Kauffmann Rene Method for anti-theft identification of an object and anti-theft labels to be affixed to an object
EP0342982A2 (en) * 1988-05-18 1989-11-23 Drg (Uk) Limited Printed self-adhesive tape
GB2219525A (en) * 1988-06-08 1989-12-13 Bdk Ind Prod Ltd Adhesive packaging tape
GB2414722A (en) * 2004-06-03 2005-12-07 Total Logic Security Ltd A security labelling system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2598538A1 (en) * 1986-05-12 1987-11-13 Kauffmann Rene Method for anti-theft identification of an object and anti-theft labels to be affixed to an object
EP0342982A2 (en) * 1988-05-18 1989-11-23 Drg (Uk) Limited Printed self-adhesive tape
EP0342982A3 (en) * 1988-05-18 1991-02-06 Drg (Uk) Limited Printed self-adhesive tape
GB2219525A (en) * 1988-06-08 1989-12-13 Bdk Ind Prod Ltd Adhesive packaging tape
GB2414722A (en) * 2004-06-03 2005-12-07 Total Logic Security Ltd A security labelling system

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