Patent
   D913411
Priority
Jul 20 2018
Filed
Jul 20 2018
Issued
Mar 16 2021
Expiry
Mar 16 2036
Assg.orig
Entity
unknown
0
13
n/a
The ornamental design for a pivotal manway cover, as shown and described.

FIG. 1 is an upper rear left side view of my pivotal manway cover;

FIG. 2 is a front elevational view of my pivotal manway cover;

FIG. 3 is a left side elevational view of my pivotal manway cover;

FIG. 4 is a rear elevational view of my pivotal manway cover;

FIG. 5 is a right side elevational view of my pivotal manway cover;

FIG. 6 is a top plan view of my pivotal manway cover; and,

FIG. 7 is a bottom plan view of my pivotal manway cover.

The broken lines shown in the drawings are included for purposes of illustrating environmental structures only and form no part of the claimed design.

Rosenblatt, Stephen

Patent Priority Assignee Title
Patent Priority Assignee Title
5394650, Jan 24 1994 Delaware Capital Formation, Inc Manway cover balancing mechanism
5431248, Oct 25 1993 Confined space lowering and retrieving apparatus
6679651, Apr 09 2001 STEBBINS ENGINEERING AND MANUFACTURING COMPANY Method of converting existing negative pressure tank access ways
7127849, Sep 26 2002 Manway lift device having an adjustable biasing assembly therefor
8899161, Jul 08 2011 Union Tank Car Company Railroad tank car manway assembly
9052049, Mar 14 2011 SPECTRA ENERGY CORP Device for opening and closing pig trap doors
9260118, Jul 08 2011 Union Tank Car Company Railroad tank car manway assembly
9315303, Jul 03 2014 BAIER MARINE COMPANY, INC Manway cover
9821953, May 02 2011 THE CHARLES MACHINE WORKS, INC Apparatus for sealing a vacuum tank door
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 20 2018Rosenblatt Innovations, LLC(assignment on the face of the patent)
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