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:
Dec. 18, 2001
Filed:
Jul. 12, 2000
Applicant:
Inventor:
William E. Douglas, New Florence, PA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66C 1/44 ;
U.S. Cl.
CPC ...
B66C 1/44 ;
Abstract
A barrier lifter apparatus comprising a scissors structure having L-shaped clamping elements, a pair of L-shaped tongs, a bar connecting each of the tongs, a pair of linking elements, rods connecting the pair of tongs and the linking elements, and an apertured plate on the rod between linking elements for hoisting. The apparatus can be either semi-automatic with a latched handle or automatic with a ratcheting-cam action device.
Douglas, William. (2001). Barrier lifter (U.S. Patent No. 6331025). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6331025
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile