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, 1988
Filed:
Feb. 26, 1987
Applicant:
Inventors:
Donald V Rubin, Huntsville, AL (US);
Billy J Walker, Madison, AL (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C / ;
U.S. Cl.
CPC ...
244 / ; 244130 ; 372104 ;
Abstract
A system for lowering the level of turbulence in an opening through a wall ver which air is flowing at a subsonic velocity wherein an arcuate flange is secured to the downstream edge of the opening and extends into the opening a distance of 0.11 to 0.22 times the length of opening in the direction air flow, the flange being tangent to the wall at the part of attachment of the branch.
Rubin, Donald. (1988). Apparatus for acoustical quieting of a cavity (U.S. Patent No. H000501). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/H000501
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile