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. 25, 1990
Filed:
Oct. 20, 1989
Eli A Port, Evanston, IL (US);
Terry W Liaboe, Highland Park, IL (US);
Edward E Sebesta, Lake Bluff, IL (US);
Radiation Safety Services, Inc., Morton Grove, IL (US);
Abstract
A radon measuring device having a housing formed of at least two mating portions and coupled together by a fastener. At least one aperture extends through the housing to permit ambient atmosphere to enter the housing and includes a filter or membrane positioned to cover the aperture for filtering radon from other particles from the ambient atmosphere as it enters the housing. A radon detector is positioned within the housing for measuring the concentration of radon in the ambient atmosphere which passes through the aperture and the filter into the housing. A filter support member also is inclined for positioning the filter proximate the aperture and pressing the filter against the housing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile