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.

Date of Patent:
May. 30, 2023

Filed:

Jul. 30, 2020
Applicant:

Butlerbilt L.l.c., Flat Rock, MI (US);

Inventors:

Michael Butler, Flat Rock, MI (US);

John Lambert, Newport, MI (US);

Assignee:

ButlerBilt L.L.C., Flat Rock, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01F 13/02 (2006.01); B66D 3/26 (2006.01); B66F 19/00 (2006.01);
U.S. Cl.
CPC ...
E01F 13/02 (2013.01); B66D 3/26 (2013.01); B66F 19/005 (2013.01);
Abstract

A manhole guard, methods of assembling the same, and methods of using the same, are described. The manhole guard generally includes a plurality of sections connected for movement, the sections being capable of being locked into a fixed rigid structure through the use of a first arm and second arm that act independently of each other. The manhole guard may include a safety net attached to one or more sections of the manhole guard. The manhole guard may include attachable mounting brackets designed to facilitate the attachment of a first hoist device and/or first winch and include attachable mounting members designed to facilitate the attachment of a second hoist device and/or second winch.


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