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:
Jun. 13, 1995
Filed:
Oct. 15, 1993
Applicant:
Inventors:
Henry B Castaneda, Woodbridge, VA (US);
G Neil Spokes, Marshall, VA (US);
Gordon A Rampy, Warrenton, VA (US);
Assignee:
CHEMetrics, Inc., Calverton, VA (US);
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
215 49 ; 215226 ; 215295 ;
Abstract
An article particularly useful for Chemical Oxygen Demand (COD) tests includes an ampule, a resealing cap, and a protective sheath. The ampule includes a segment along its neck that is detachable for allowing introduction of a sample. The cap is used for resealing the neck after introduction of a sample, and the detachable segment is located at a narrow diameter portion of the neck so that the expulsion force on the cap generated by interior pressure is small. A flexible sheath is provided to protect the neck during shipment and to assist in removing the detachable segment.