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:
Mar. 23, 1976
Filed:
Jan. 03, 1975
Applicant:
Inventors:
William P Holland, West Redding, CT (US);
Capleton I Swanson, Bridgeport, CT (US);
Jacob A Randmer, Wilton, CT (US);
Assignee:
The Machlett Laboratories, Inc., Stamford, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313 56 ; 313 57 ; 3133 / ;
Abstract
An X-ray tube including a tubular envelope having therein two cathode filaments operatively disposed in spaced relationship with an anode target surface, one filament being made of a material suitable for low current operation and the other filament being made of a material suitable for high current operation of the X-ray tube.