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Patent
D913411
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Priority
Jul 20 2018
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Filed
Jul 20 2018
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Issued
Mar 16 2021
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Expiry
Mar 16 2036
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Assg.orig
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Entity
unknown
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0
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13
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n/a
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The ornamental design for a pivotal manway cover, as shown and described.
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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 |
20020084275, |
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20100125997, |
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20130329518, |
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20190291948, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a