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:
Aug. 03, 1999
Filed:
Sep. 25, 1997
Applicant:
Inventors:
Geoffrey W Gillingham, Melbourne, AU;
Francis J Griffiths, Victoria, AU;
Timothy M Remmers, New Hartford, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187406 ; 104127 ;
Abstract
A rail survey unit (130) measures the relative profile of an elevator guide rail (132) at a series of equally spaced points (a.sub.o -a.sub.n) along the rail (132).
Gillingham, Geoffrey. (1999). Rail survey unit (U.S. Patent No. 5931264). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5931264
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile