Patent
   D260133
Priority
May 16 1978
Filed
May 16 1978
Issued
Aug 11 1981
Expiry
Aug 11 1995
Assg.orig
Entity
unknown
8
5
n/a
The ornamental design for a letter opener, substantially as shown and described.

FIG. 1 is a perspective view of the letter opener showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a rear elevational view; and

FIG. 7 is a bottom plan view.

Costello, John C., Van Wagener, Raymond H., Power, John J., Pulos, Arthur J.

Patent Priority Assignee Title
5946996, Dec 31 1997 The Staplex Company, Inc. Automatic feed chadless envelope slitter
6912827, Sep 04 2001 Opex Corporation Apparatus for opening envelopes
D272229, Jan 19 1982 The Staplex Company, Inc. Letter opener
D422874, Jun 05 1998 Opex Corporation Envelope opener
D478121, Jan 07 2002 Opex Corporation Envelope opener
D592035, Nov 10 2008 Pitney Bowes Inc. Letter opener with stacker
D647776, Nov 07 2008 Pitney Bowes Inc.; PIITNEY BOWES INC Letter opener
D974461, Mar 19 2019 Opex Corporation Envelope opener
Patent Priority Assignee Title
2672930,
3381564,
202673,
204338,
212062,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 16 1978Swingline Inc.(assignment on the face of the patent)
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