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:
Aug. 08, 1989
Filed:
Apr. 20, 1987
Applicant:
Inventors:
Jean-Francois Hays, Carrieres-Sur-Seine, FR;
Pierre Legrand, Pontoise, FR;
Eric Verna, Cergy, FR;
Michel Delzenne, Franconville, FR;
Bernard Reynaud, L'Isle Adam, FR;
Pierre Gaillard, Champigny-sur-Marne, FR;
Assignee:
L'Air Liquide, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191304 ; 219 75 ;
Hays, Jean-Francois. (1989). Process for striking an arc in electric welding and welding torch (U.S. Patent No. 4855566). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4855566
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile