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. 11, 2026
Filed:
Dec. 20, 2022
Applicant:
Sewer Sentry Llc, Calhoun, LA (US);
Inventor:
David Alan Putnam, West Monroe, LA (US);
Assignee:
SEWER SENTRY LLC, Calhoun, LA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02D 29/14 (2006.01);
U.S. Cl.
CPC ...
E02D 29/14 (2013.01);
Abstract
A manhole cover assembly for a sewer, the manhole cover assembly including a manhole cover having a top surface and a bottom surface. An opening extends through the manhole cover between the top surface and the bottom surface. The assembly further includes an extension pipe coaxially aligned with the opening of the manhole cover and extending from the top surface of the manhole cover, wherein the extension pipe is coupled to the manhole cover with a locking mechanism.