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:
Oct. 07, 2025
Filed:
Sep. 15, 2022
Carefusion 303, Inc., San Diego, CA (US);
CAREFUSION 303, INC., San Diego, CA (US);
Abstract
A single use disposable elapsed time indicator and methods for using same include an indicator that can have a flexible chamber for holding an aqueous medium and a slot with a viewing window and a longitudinal axis. The slot is connected to the chamber via a passage having a breakable seal therein. An absorbable material is located within and at a first end of the slot that swells upon exposure to the aqueous medium. A graded scale is also included along the longitudinal axis of the slot to indicate periods of elapsed time. The absorbable material is configured to expand from the first end of the slot toward an opposing end of the slot along the longitudinal axis and thereby mark elapsed time on the graded scale.