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. 01, 1989
Filed:
Jun. 02, 1988
Applicant:
Inventors:
Teruhisa Takahashi, Mishima, JP;
Masashi Kajiyama, Tagata, JP;
Assignee:
Usui Kokusai Sangyo Kaisha Ltd., Sunto, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
428623 ; 138143 ; 138146 ; 138151 ; 138171 ; 428626 ; 428632 ; 428650 ; 428658 ; 428659 ; 428674 ; 428926 ; 428935 ;
Abstract
A corrosion resistant metal pipe having an outer surface coated with a zinc film, a chromate film, an intermediate layer consisting substantially of an epoxy resin, and a polyvinyl fluoride film formed one upon another in the order listed.