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:
Jul. 04, 1995
Filed:
Feb. 17, 1994
Applicant:
Inventors:
William H Frank, Anchorage, KY (US);
Claude R Wallick, Jr, Louisville, KY (US);
Assignee:
Emerson Electric Co., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06C / ;
U.S. Cl.
CPC ...
182209 ;
Abstract
A rung lock frame and a mechanical latching structural assembly for selectively releasably locking and releasably and augmentally latching a pair of adjacently positioned rungs of relatively slidable ladder sections of an extension ladder, the rung lock frame and latching structure including guide rib and inclined ramp arrangement to permit ready movement of said latching structure into and out of augmental latching position on the rung lock frame.
Frank, William. (1995). Rung lock and latch assembly for an extension ladder (U.S. Patent No. 5429207). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5429207
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile