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:
Jul. 22, 1986
Filed:
Jun. 14, 1985
James J Dunn, Carpentersville, IL (US);
John S Borucki, Bloomingdale, IL (US);
Chicago Metallic Corporation, Chicago, IL (US);
Abstract
A suspended ceiling system having a main runners or members extending parallel with cross-members spaced therealong to form rectangular sections, the cross-members being provided with tongues extending from the end and received in apertures or slots in the main member with the tongues being provided with a catch surface coacting with a shoulder on the tongue to hold the tongue as it is inserted into the aperture of the main runner. Each of the tongues are provided in coacting engagement and abutment surfaces which lock the two tongues together in an end-to-end connection when inserted from opposite sides of the main runner.