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:
Nov. 22, 1977

Filed:

Jun. 14, 1976
Applicant:
Inventors:

James Zbinden, Sterling, IL (US);

George W Ries, Sterling, IL (US);

Assignee:

Lawrence Brothers, Inc., Sterling, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C / ;
U.S. Cl.
CPC ...
173 37 ; 173 42 ; 173 38 ; 173 52 ; 408 53 ;
Abstract

A drilling machine is disclosed for use in providing bolt holes in concrete stadium riser steps and the like. The drilling machine includes a relatively stationary base plate, and a foot plate slideable upon the base plate along a predetermined path. The foot plate carries drill mounting means for mounting a plurality of commercially available drills. An operating lever moves the foot plate, drill mounting device and drills toward and away from a vertical drilling face over the base plate.


Find Patent Forward Citations

Zbinden, James. (1977). Drilling unit for stadium seats (U.S. Patent No. 4059162). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4059162

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

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