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:
Jun. 04, 2013
Filed:
Oct. 07, 2008
Applicant:
Matthew Key, Pevensey, GB;
Inventor:
Matthew Key, Pevensey, GB;
Assignee:
Edwards Limited, Crawley, West Sussex, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 21/30 (2006.01); G01L 21/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gauge head () for an ionisation vacuum gauge includes an electrical device () operable to provide an electrical discharge in a gas whose pressure is to be measured to initiate ion discharge in the gas.