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:
May. 09, 1978
Filed:
Jan. 07, 1975
Applicant:
Inventors:
Tiziano A Giorgi, Milan, IT;
Paolo DELLA Porta, Milan, IT;
Assignee:
S.A.E.S. Getters S.p.A., Milan, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55179 ; 55189 ; 55195 ; 55208 ; 55387 ;
Abstract
A means for connecting a vacuum pump to a chamber to be evacuated comprises an outer wall of low gas permeability and a gas sorptive means substantially coextensive with the inner surface of said outer wall.