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:
Sep. 24, 2013
Filed:
Dec. 29, 2009
Applicant:
Jae Duk Lee, Seoul, KR;
Inventor:
Jae Duk Lee, Seoul, KR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D 29/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A manhole cover which has an upper body and a lower body coupled to each other to maintain balance, to endure loads applied from an external source in a stable manner, to protect the inside of the manhole from the ingress of rainwater, and to enable the upper body to be stably fixed inside the lower body.
Lee, Jae. (2013). Manhole cover (U.S. Patent No. 8540454). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8540454
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile