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:
Dec. 01, 1992
Filed:
Jun. 20, 1989
Applicant:
Inventors:
Yukio Yanagisawa, Wayland, MA (US);
Masakazu Hishinuma, Yokohama, JP;
Assignee:
President and Fellows of Harvard College, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
436134 ; 422 56 ; 422 57 ; 422 58 ; 422 88 ; 436167 ;
Abstract
A passive gas sampling apparatus for detecting an analyte gas, which apparatus includes (1) a shell enclosing an adsorbent and (2) a diffusion tube extending through the shell and having (a) an inlet opening means outside the shell, through which the analyte gas may enter the diffusion tube, and (b) an outlet opening imbedded in the adsorbent inside the shell; and a method for using such apparatus.
Yanagisawa, Yukio. (1992). Adsorbent-type gas monitor (U.S. Patent No. 5168068). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5168068
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile