The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 2001
Filed:
Dec. 29, 1997
Applicant:
Inventor:
Victor Todman, Impington, GB;
Assignee:
Sealed Air Corporation, Saddle Brook, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 3/334 ;
U.S. Cl.
CPC ...
B65D 3/334 ;
Abstract
A tamper evident bag comprises a slit therein to provide access to the interior of the bag, and a closure flap arranged to be adhered to the bag over the slit in order to seal the bag. The bag has an indicator strip which is covered by the closure flap when the bag is sealed. This indicator strip comprises a material having a surface tension less than or substantially equal to that of saliva and serves to indicate wetting of the bag or closure flap prior to attempted sealing.