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:
May. 04, 2021
Filed:
Sep. 06, 2018
Applicant:
Armstrong World Industries, Inc., Lancaster, PA (US);
Inventor:
Samuel D. Pawlak, Lancaster, PA (US);
Assignee:
AWI Licensing LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 25/00 (2006.01); E04F 13/08 (2006.01); F16B 5/02 (2006.01); F16B 35/04 (2006.01); F16B 35/06 (2006.01); F16B 25/10 (2006.01);
U.S. Cl.
CPC ...
F16B 25/0031 (2013.01); E04F 13/0801 (2013.01); E04F 13/0837 (2013.01); F16B 5/02 (2013.01); F16B 5/0208 (2013.01); F16B 25/106 (2013.01); F16B 35/041 (2013.01); F16B 35/06 (2013.01); F16B 25/00 (2013.01);
Abstract
A panel fastener is provided that has a head having a first surface and a second surface opposite the first surface; an engagement feature on the first surface of the head, the engagement feature being configured to be engaged by a driving tool; a shank extending from the second surface of the head; a threaded portion extending from the shank, the threaded portion having first and second helical threads arranged in an intertwined manner; the first thread extending farther radially from the central axis than does the second thread; and the shank being located between the head and the threaded portion.