Patent
   D423173
Priority
Mar 31 1999
Filed
Mar 31 1999
Issued
Apr 18 2000
Expiry
Apr 18 2014
Assg.orig
Entity
unknown
12
5
n/a
The ornamental design for a double cylinder dolly, as shown and described.

FIG. 1 is a front perspective view of a double cylinder dolly showing our new design, the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

Horner, Douglas M., Girard, Alan-Michael

Patent Priority Assignee Title
10053124, Sep 22 2016 Air Systems, Inc.; AIR SYSTEMS, INC D B A AIR SYSTEMS INTERNATIONAL, INC Air cylinder cart with manifold for supplying one or two control panels
6488293, Nov 16 2001 Eagle Manufacturing Company Drum dolly
6616153, May 30 2001 Matre Design, Inc.; MATRE DESIGN, INC Plastic hand truck with folding metal platen
6733017, Sep 14 2001 Air Systems, Inc. Gas cylinder cart with removable control panel
7419169, Sep 14 2001 AIR SYSTEMS, INC D B A AIR SYSTEMS INTERNATIONAL, INC Interchangeable control panels for gas cylinder cart
8087679, Aug 26 2010 Handcart
D440371, Dec 02 1999 ENPAC, L L C Single cylinder dolly
D470291, Mar 01 2002 ACORN PRODUCTS, INC ; AMES TRUE TEMPER, INC Stackable yard cart
D775717, Jun 03 2014 NORTH PARK INNOVATIONS GROUP, INC HVAC manifold
D782194, Feb 02 2015 New Pig Corporation Portable storage caddy
D822302, Sep 22 2016 AIR SYSTEMS, INC D B A AIR SYSTEMS INTERNATIONAL, INC Air cylinder cart frame
D854274, Aug 23 2017 Air Systems, Inc. Air cylinder cart frame
Patent Priority Assignee Title
5340136, Sep 04 1992 Canadian Liquid Air Ltd. Cylinder cart with magnetics
5393080, Apr 26 1993 Aquatic air tank dolly
5458350, Jul 26 1994 Recycle collector dolly
169140,
201749,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 12 1999HORNER, DOUGLAS M POLYMER & STEEL TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0098690074 pdf
Mar 12 1999GIRARD, ALAN-MICHAELPOLYMER & STEEL TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0098690074 pdf
Mar 31 1999Polymer & Steel Technologies, Inc.(assignment on the face of the patent)
Dec 09 2003POLYMER & STEEL TECHNOLOGIES, INC Fifth Third BankSECURITY AGREEMENT0157320821 pdf
Sep 17 2007POLYMER & STEEL TECHNOLOGIES, INC ENPAC, L L C ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0198340714 pdf
Sep 27 2012ENPAC, L L C KEYBANK NATIONAL ASSOCIATIONSECURITY AGREEMENT0291080668 pdf
Oct 05 2012Fifth Third BankENPAC L L C RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS 0290880538 pdf
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