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:
Oct. 18, 2005
Filed:
Dec. 11, 2002
Applicants:
Christopher John Howard Wort, Wantage, Oxfordshire, GB;
Andrew John Whitehead, Camberley, Surrey, GB;
Clive Edward Hall, Cuijk, NL;
Inventors:
Christopher John Howard Wort, Wantage, Oxfordshire, GB;
Andrew John Whitehead, Camberley, Surrey, GB;
Clive Edward Hall, Cuijk, NL;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
H01J001/14 ;
U.S. Cl.
CPC ...
Abstract
A fast heating cathode comprises a layer of diamond, a thermionic emitting element in thermal contact with a surface of the diamond layer and means to heat the diamond layer.