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. 25, 1987
Filed:
Apr. 14, 1986
Applicant:
Inventor:
Robert J Lyons, Sr, Hamden, CT (US);
Assignee:
The Bilco Company, New Haven, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04H / ;
U.S. Cl.
CPC ...
256 59 ; 182106 ; 403109 ;
Abstract
An extendable railing for use in stairwells, hallways and the like. The railing comprises an elongated moveable member nonrotatably but slidably mounted inside an elongated fixed, hollow member. The moveable member is supported on at least one friction reducing spacing means for movement from a first retracted to a second extended position with counterbalance means. The railing further comprises means for stopping said movement and for locking said moveable member in the extended position.
Lyons, Sr, Robert. (1987). Extendable railing (U.S. Patent No. 4688768). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4688768
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile