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:
Nov. 23, 2021
Filed:
Nov. 01, 2019
Ciena Corporation, Hanover, MD (US);
Terence Arthur Graham, Manotick, CA;
Bonnie Lynne Mack, Carp, CA;
Michael Reginald Bishop, Nepean, CA;
Simon John Shearman, Almonte, CA;
Ciena Corporation, Hanover, MD (US);
Abstract
A platform includes a housing with a front side, a rear side opposite the front side, a right side adjacent to both the front side and the rear side, and a left side opposite the right side and adjacent to both the front side and the rear side, wherein airflow in the platform is between the front side and the rear side or between the front side and the front side; one or more modules in the housing each including a plurality of cages supporting removable interface cards, wherein the airflow includes an air path that is over the one or more modules between a bottom portion of the one or more modules and a top portion of the one or more modules; and at least one dust cap in one of the plurality of cages, wherein the dust cap includes an air filter medium enabling airflow at an intermediate point of the air path.