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:
Mar. 23, 2021
Filed:
Jul. 02, 2019
Applicant:
Phillips Screw Company, Wakefield, MA (US);
Inventor:
Barry J. Hughes, Arden, GB;
Assignee:
Phillips Screw Company, Wakefield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 35/00 (2006.01); F16B 35/06 (2006.01); F16B 25/00 (2006.01); F16B 25/10 (2006.01);
U.S. Cl.
CPC ...
F16B 35/065 (2013.01); F16B 25/00 (2013.01); F16B 25/0015 (2013.01); F16B 25/0047 (2013.01); F16B 25/0057 (2013.01); F16B 25/0063 (2013.01); F16B 25/106 (2013.01);
Abstract
A low energy wood screw that may be inserted quickly and using less energy than conventional screws. In various embodiments, the screw may include a countersunk head having a recess for accommodating a driving tool, a tapered neck, a plurality of crown ribs extending over the head and neck, a lubricating coating, main threads with a large thread lead, and lower threads having an asymmetrical profile and extending onto a gimlet point.