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:
Jun. 30, 1992
Filed:
Oct. 31, 1991
Applicant:
Inventors:
James J Baker, Owasso, OK (US);
Markey C McNutt, Broken Arrow, OK (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66F / ;
U.S. Cl.
CPC ...
4146843 ; 254131 ; 280 4724 ;
Abstract
The invention is a dolly on wheels for lifting and moving manhole covers. The dolly has a pivotal sleeve into which a lifting bar fastens and a bottom plate with a crooked tail on its bottom side. The lifting bar has a pointed end which is used in conjunction with the bottom plate to lift small manhole covers and a finger end which is used in conjunction with the bottom plate and tail to lift large manhole covers.