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:
Sep. 20, 1983
Filed:
Jun. 22, 1981
Applicant:
Inventor:
Pertti Ekholm, Helsinki, FI;
Assignee:
Labsystems Oy, , FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350318 ; 350317 ;
Abstract
The invention is a filter device for the filtration of radiation in a device for measuring radiation. The filter device comprises several different filters fitted into one detachable disk. The filter device comprises a magnet which is placed at a vertical plane passing through the center axis of the filter disk, not higher than at the level of the center axis. The filter disk includes a second magnet placed at the center axis of the disk. The opposite poles of these two magnets are arranged as facing towards each other.
Quick Actions:
Ekholm, Pertti. (1983). Filter device for the filtration of radiation (U.S. Patent No. 4405206). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4405206
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile