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:
Jan. 22, 1980
Filed:
Jun. 30, 1978
Applicant:
Inventors:
Attila Vadnay, Ann Arbor, MI (US);
Charles E von Reis, Ann Arbor, MI (US);
Assignee:
Gelman Sciences, Inc., Ann Arbor, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24F / ; G01N / ;
U.S. Cl.
CPC ...
73 28 ; 1311 / ;
Abstract
A disposable testing chamber for cigarettes which includes a thin, sheet-like transparent housing element for retaining a filter disc with a conical closure element having a press-fit into the housing to seal the disc and become self-retaining in the housing, each element having a peripheral, annular wall portion in a plane normal to the axis of the chamber to register with and lie adjacent to the periphery of the filter disc.
Vadnay, Attila. (1980). Filter holder for cigarette research testing (U.S. Patent No. 4184360). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4184360
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile