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. 21, 1983
Filed:
Jul. 13, 1981
Hill S Lalin, Wayne, NJ (US);
Other;
Abstract
A portable holder assembly in combination with one or more gas detection tubes each of which contain chemical sorbent material. Each sorbent tube has a tapered neck at each opposite end with an opening adapted for drawing ambient gas through the sorbent material. The holder assembly comprises an open ended hollow tubular shell surrounding each gas detection tube, end fitting means for closing the open ends of each shell to form a closed chamber between each shell and each gas detection tube and an O-ring mounted in each end fitting means in surrounding engagement with the tapered neck of each tube for suspending each tube within each shell and for sealing off the open ends of each tube from the closed chamber.