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, 1989
Filed:
Nov. 16, 1987
Applicant:
Inventors:
Gary N Hughes, Pittsburgh, PA (US);
George A Pecoraro, Lower Burrell, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65135 ; 65335 ; 65347 ; 6537412 ; 110180 ; 432237 ; 432250 ;
Abstract
A multilayered, cooled metal lid for a heating vessel has a main support plate fabricated from low carbon steel and a chromium steel overlay that is exposed to the hot interior portions of the vessel. The chromium steel overlay has a chromium content by weight of approximately 10 to 25 percent.
Hughes, Gary. (1989). Lid construction for a heating vessel and method of use (U.S. Patent No. 4808205). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4808205
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile