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. 16, 1988
Filed:
Dec. 24, 1985
Ronald R Brookes, North Canton, OH (US);
TRW Inc., Lyndhurst, OH (US);
Abstract
An article having a thin wall portion with a thickness of 0.050 of an inch or less, and a surface area of at least 16 square inches is cast as one piece. A mold for the article has a pair of surface areas with a configuration corresponding to the configuration of the thin wall portion of the article and spaced apart by a distance of 0.050 of an inch or less. The mold surface areas have an extent of at least four inches along orthogonal axes with a total surface of at least 16 square inches. Although the extent of the surfaces may vary, depending upon the design of the article to be cast, the thin wall forming portion of the mold has a minimum extent or length, as measured from a center of the thin wall forming portion to the closest edge of the thin wall forming portion, such that the ratio of this minimum distance divided by the thickness is equal to at least 40.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile