Patent
   D427212
Priority
Nov 29 1999
Filed
Nov 29 1999
Issued
Jun 27 2000
Expiry
Jun 27 2014
Assg.orig
Entity
unknown
2
3
n/a
The ornamental design for a pipe end prep machine, as shown and described.

FIG. 1 is a front elevational view of a pipe end prep machine showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof.

Place, Brent, Ricci, Donato L.

Patent Priority Assignee Title
D470515, Jan 24 2002 HYDRATIGHT OPERATIONS, INC Oval manway facer
D748699, Mar 12 2014 Ridge Tool Company Tool face
Patent Priority Assignee Title
5054342, May 09 1989 The E.H. Wachs Company Pipe machining apparatus
5887501, Jan 26 1998 D L RICCI CORP End prep facing machine
D407724, Nov 14 1997 TRI Tool Inc.; Tri Tool Inc Tube squaring tool
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 22 1999BRENT PLACERICCI, DONATO L ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0104110452 pdf
Nov 29 1999Donato L., Ricci(assignment on the face of the patent)
Apr 21 2006RICCI, DONATO L D L RICCI CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0194660180 pdf
Aug 30 2010D L RICCI CORP HYDRATIGHT OPERATIONS, INC MERGER SEE DOCUMENT FOR DETAILS 0259130067 pdf
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