Patent
   D250590
Priority
Apr 25 1977
Filed
Apr 25 1977
Issued
Dec 19 1978
Expiry
Dec 19 1992
Assg.orig
Entity
unknown
11
3
n/a
The ornamental design for an envelope blank, as shown and described.

The sole FIGURE is a perspective view of an envelope blank showing our new design, the opposite side being identical thereto.

Cohn, Robert, Young, Charles M.

Patent Priority Assignee Title
6227444, Feb 17 2000 CONFORMER PRODUCTS, INC Expandable envelope construction
6866183, Aug 15 2001 Envelope Product Group, LLC Adjustable envelope
D295536, Jul 30 1985 MeadWestvaco Corporation Blank for expansible envelope
D313040, Jul 30 1985 MeadWestvaco Corporation Envelope
D322455, Jul 30 1985 MeadWestvaco Corporation Envelope
D322456, Jul 30 1985 MeadWestvaco Corporation Envelope
D322457, Jul 30 1985 MeadWestvaco Corporation Envelope
D499760, Feb 22 2002 Imation Corporation; Imation Corp Adhesive perforated sheet for a printed CD wallet
D500078, Feb 22 2002 Imation Corporation; Imation Corp Adhesive perforated sheet for a printed CD wallet
D747767, Aug 29 2013 Envelope-card combination
D867767, Apr 27 2018 Envelope for greeting cards and invitations
Patent Priority Assignee Title
1741059,
3214855,
3648923,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 25 1977Champion International Corporation(assignment on the face of the patent)
Jul 29 1985CHAMPION INTERNATIONAL COPRORATION, A CORP OF NYAMERICAN ENVELOPE COMPANY, A CORP OFASSIGNMENT OF ASSIGNORS INTEREST 0044740354 pdf
Dec 17 1994Mail-Well CorporationBANQUE PARIBASSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0074090111 pdf
Dec 19 1994American Envelope CompanyMail-Well CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0072650219 pdf
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