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. 28, 1984
Filed:
Dec. 03, 1981
Applicant:
Inventor:
Edwin G Chaffee, Salt Lake City, UT (US);
Assignee:
American Laser Corporation, Salt Lake City, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ;
U.S. Cl.
CPC ...
372 86 ; 372 87 ;
Abstract
An improved argon-ion gas laser utilizes a dispenser-type cathode and within the cathode shroud mounts a preignition electrode and a heat shield enabling the cathode to be operated efficiently and within a 900.degree.-1050.degree. C. temperature range over an extended period of time.