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:
Feb. 18, 1992
Filed:
Aug. 22, 1990
Applicant:
Inventor:
Takao Yasue, Itami, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B / ;
U.S. Cl.
CPC ...
62 511 ; 62481 ; 62383 ;
Abstract
A transfer vessel apparatus has a device for introducing gas from a liquid nitrogen trap into a vessel body to form and maintain an inert atmosphere in the vessel body. The inert atmosphere maintained in the vessel body enables a sample to be stored for long periods and enables transfer of the sample between different vacuum systems.