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Class Information
Number: 229/92.1
Name: Envelopes, wrappers, and paperboard boxes > Wrapper > Letter sheets
Description: Subject matter comprising sheets designed to receive a written or printed communication and then to be folded into a form generally resembling the conventional envelope. Devices which when folded form flat open-ended tubes are included, but not mere single-folded cards, unless some special fastening means is formed in the blank.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7357423 |
Multi-label mailing form including certified self-mailer |
Apr. 15, 2008 |
| 7350820 |
Integral special service mailing assembly and a method for using same |
Apr. 1, 2008 |
| 7341279 |
Combination mailer and confirmation post card assembly |
Mar. 11, 2008 |
| 7219828 |
Cross folded, pressure sealed multi-page paper assembly and methods of making same |
May. 22, 2007 |
| 7083079 |
Double postcard pressure seal form construction |
Aug. 1, 2006 |
| 6948742 |
Promotional form with detachable element |
Sep. 27, 2005 |
| 6863310 |
Special service mailing assembly with label, tracking area and receipt and a method for preparing a mailpiece for delivery |
Mar. 8, 2005 |
| 6626755 |
Laserable fold over carbonless form |
Sep. 30, 2003 |
| 6627033 |
Contact adhesive patterns for sheet stock precluding adhesion of facing sheets in storage |
Sep. 30, 2003 |
| 6601756 |
Adhesive pattern for a mailer type business form intermediate |
Aug. 5, 2003 |
| 6569280 |
Lamination by radiation through a ply |
May. 27, 2003 |
| 6557748 |
Reverse eccentric double parallel pressure seal business form |
May. 6, 2003 |
| 6560602 |
Certified mailer and method of using the same |
May. 6, 2003 |
| 6540131 |
Stationery |
Apr. 1, 2003 |
| 6510980 |
Mass produced business mailer |
Jan. 28, 2003 |
| 6500293 |
Contact adhesive patterns for sheet stock precluding adhesion of facing sheets in storage |
Dec. 31, 2002 |
| 6472044 |
Pressure seal form production |
Oct. 29, 2002 |
| 6460760 |
Two-up rotated pressure seal return mailer |
Oct. 8, 2002 |
| 6431437 |
Z-fold mailer with built-in return envelope |
Aug. 13, 2002 |
| 6432232 |
System for automatically producing letters having multiple page capability |
Aug. 13, 2002 |
| 6422938 |
Pressure seal C-Z fold |
Jul. 23, 2002 |
| 6412687 |
Pressure seal C-Z fold mailer with built-in return envelope |
Jul. 2, 2002 |
| 6409079 |
Print-to mail compatible, two-way self-contained mailer |
Jun. 25, 2002 |
| 6409075 |
Mailer intermediate |
Jun. 25, 2002 |
| 6398263 |
Tamper evident resealable extended text label |
Jun. 4, 2002 |
| 6322106 |
Business form or mailer with carbonless imaging |
Nov. 27, 2001 |
| 6309725 |
Segmented roll product for enhanced cohesive |
Oct. 30, 2001 |
| 6235139 |
Pressure seal form production |
May. 22, 2001 |
| 6213520 |
Tamper evident resealable extended text label |
Apr. 10, 2001 |
| 6202919 |
Combination letter and envelope |
Mar. 20, 2001 |
| 6196453 |
Two way mailer for simple sealer |
Mar. 6, 2001 |
| 6179201 |
Integrated card construction |
Jan. 30, 2001 |
| 6158651 |
Business form or mailer with carbonless imaging |
Dec. 12, 2000 |
| 6152361 |
Z-fold business mailer |
Nov. 28, 2000 |
| 6131802 |
Pressure seal form |
Oct. 17, 2000 |
| 6126064 |
Secure seal sector |
Oct. 3, 2000 |
| 6123253 |
Business form or mailer with carbonless imaging |
Sep. 26, 2000 |
| 6095407 |
Mailer blank |
Aug. 1, 2000 |
| 6079615 |
Mailer assembly |
Jun. 27, 2000 |
| 6056192 |
Rectangular-faced enclosures |
May. 2, 2000 |
| 6047880 |
Special service mailpiece having an integral document section and a method for forming same |
Apr. 11, 2000 |
| 6042672 |
Sealed paper making method |
Mar. 28, 2000 |
| 6039242 |
C-fold mailer/intermediate with certified return receipt |
Mar. 21, 2000 |
| 6027014 |
Single sheet mailer with return envelope |
Feb. 22, 2000 |
| 6003760 |
Two-way Z-fold business form mailer |
Dec. 21, 1999 |
| 5950909 |
Pressure sensitive cohesive patterns for Z fold and C fold business forms |
Sep. 14, 1999 |
| 5950910 |
Special service mailpiece having an integral document section and a method for forming same |
Sep. 14, 1999 |
| 5941451 |
Contact adhesive patterns for sheet stock precluding adhesion of facing sheets in storage |
Aug. 24, 1999 |
| 5924737 |
Postcard check |
Jul. 20, 1999 |
| 5893512 |
Pressure seal form/label combination |
Apr. 13, 1999 |
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