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Patent
   D968206
Priority
Oct 13 2016
Filed
May 23 2022
Issued
Nov 01 2022
Expiry
Nov 01 2037
Inventors
Strom, Gar…
Assg.orig
SUBSURFACE…
Assg.curr
Subsurface…
Entity
unknown
Referenced by
0
References
23
Maint.:
n/a
The ornamental design for a portable cofferdam, as shown and described.

FIG. 1 is a left perspective view of a portable cofferdam showing our new design;

FIG. 2 is a right view of the portable cofferdam of FIG. 1; and,

FIG. 3 is a top view of the portable cofferdam of FIG. 1.

The broken line portions of the drawings are included to show unclaimed subject matter and form no part of the claimed design.
INVENTORS:

Strom, Gary H., Strom, Brandon G.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
11242665, May 28 2021 Subsurface, Inc. Portable cofferdam assembly system
3051424,
3652045,
5009386, Jun 01 1989 Pipe hanger and support
7284728, Dec 29 2004 Pipe hanger assembly
8545129, Mar 04 2011 COFFERDAM, LLC Cofferdam modules
8910367, Sep 27 2012 VAUGHN PAUL ADAMS, JR AND PAULA JEANNE ADAMS FAMILY TRUST Slip bracket connector for rigid members
8926229, Sep 13 2011 Trench box dewatering system
9874008, Jul 04 2014 Klevaklip Systems Pty Ltd Non-metallic joist hanger
9945091, Oct 13 2016 Subsurface, Inc. Portable cofferdam system
20060002768,
20160108599,
D330672, May 16 1990 Pipe hanger
D402188, Aug 03 1992 Porch swing brackets
D433152, Feb 01 2000 Swimming pool cofferdam
D433760, Feb 01 2000 Swimming pool cofferdam
D454204, Apr 02 2001 Swimming pool cofferdam
D625586, Jan 28 2009 Seismic pipe hanger
D692583, Mar 04 2011 COFFERDAM, LLC Cofferdam module
D703029, Oct 04 2012 FOX HARDWOOD LUMBER COMPANY, L.L.C. Anchor device for wooden post
D842684, Jul 18 2017 Toeboard support bracket
D858267, Aug 04 2016 LONDON ECO-METAL MANUFACTURING INC Snow guard
D959249, Oct 13 2016 Subsurface, Inc. Portable cofferdam
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 12 2016STROM, GARY H , MR SUBSURFACE, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0599820001 pdf
Oct 12 2016STROM, BRANDON G , MR SUBSURFACE, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0599820001 pdf
May 23 2022Subsurface, Inc.(assignment on the face of the patent)
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