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.

Date of Patent:
Oct. 16, 1984

Filed:

Jun. 01, 1981
Applicant:
Inventor:

Jerry Bonacorsi, Rockford, IL (US);

Assignee:

Rockford Products Corporation, Rockford, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
411387 ;
Abstract

A drilling and thread forming screw including a shank portion with a head at one end and a drill point at the other end. The shank includes a threaded portion having a minor diameter and a major diameter. The drill point defines a segment of a cone having a base and a point. The base intersects the shank at the minor diameter of the shank. This screw is adapted to drill into a substrate up to the minor diameter of the shank and then to form female threads in the substrate.


Find Patent Forward Citations

Bonacorsi, Jerry. (1984). Drill and thread forming screw (U.S. Patent No. 4477217). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4477217

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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