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Patent
D440023
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Priority
Feb 27 1998
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Filed
Sep 07 1999
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Issued
Apr 03 2001
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Expiry
Apr 03 2015
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Assg.orig
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Entity
unknown
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2
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14
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n/a
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The ornamental design for truss style trolley beam for a fall protection system, as shown and described.
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FIG. 1 is an end elevational view of the truss style trolley beam of the
present invention, the end views being identical;
FIG. 2 is a top plan view of a portion of the length of the truss style
trolley beam;
FIG. 3 is a side elevational view of a portion of the length of the truss
style trolley beam, the two side elevational views being identical; and,
FIG. 4 is a bottom plan view of a portion of the length of the truss style
trolley beam.
The elements shown in broken line in FIGS. 1-4 are for illustrative only
and form no part of the claimed design.
Morhaus, Daniel
| Patent |
Priority |
Assignee |
Title |
| 1348138, |
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| 1352055, |
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| 2639950, |
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| 3394776, |
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| 3710726, |
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| 3844417, |
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| 4271927, |
Jun 04 1979 |
Riggers (Steeplejacks) Limited |
Inspection or maintenance cradle |
| 4890750, |
Dec 09 1988 |
MHE TECHNOLOGIES, INC |
Portal crane |
| 5433150, |
Jan 26 1994 |
U S BANK NATIONAL ASSOCIATION |
Traveling crane |
| 5492067, |
Aug 08 1994 |
MHE TECHNOLOGIES, INC |
System and method for maintaining plural driven components at reference positions |
| 5575220, |
Jun 20 1995 |
ANDRITZ INC |
Side roller assembly for gantry crane bridge wheels |
| 5715906, |
Feb 24 1995 |
Kabushikigaisha Koa |
Moving work floor push-up expansion floor device |
| 6053279, |
Aug 07 1998 |
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Structural beam safety attachment |
| 984110, |
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a