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. 31, 1992
Filed:
Dec. 20, 1989
Applicant:
Inventor:
Charles W Creaser, Jr, Hollis, NH (US);
Assignee:
Chu Associates, Inc., Littleton, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343883 ; 343901 ; 52118 ;
Abstract
A lightweight extended aluminum or similar telescopic equilateral triangular tubular mast or tower assembly with coaxially disposed inner triangular sections and cable elevating and lowering drive apparatus for controlling low-resistance telescopic movement with alternate outside-to-inside canted pulley wheels mounted near the top of each section passing the cable downwardly and inwardly of the section to a flat pulley wheel mounted near the bottom of the next inner section.