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Class Information
Number: 400/188
Name: Typewriting machines > For typing on reverse surface of record-medium
Description: Subject matter wherein a record-medium* has a first surface which faces toward a platen*, and the record-medium has a second surface which faces toward a type-face* when the type-face is at a print-point*, and wherein significance is attributed to imprinting character* symbols on the first surface of the record-medium.


Sub-classes under this class:

Class Number Class Name Patents
400/189 By simultaneous use of both surfaces of same ribbon 1
400/190 By use of "carbon paper" 1


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7566124 Image forming apparatus Jul. 28, 2009
7517078 Image forming apparatus Apr. 14, 2009
7431520 Image forming apparatus performing double-sided printing Oct. 7, 2008
7413359 Method and apparatus for printing Aug. 19, 2008
7401989 Printing arrangement with driving, printing, adhering and binding stations Jul. 22, 2008
7367667 Image forming apparatus with conveying part arranged to allow drying May. 6, 2008
7367726 Thermal image forming apparatus May. 6, 2008
7344238 Inkjet recording device Mar. 18, 2008
7303275 Inkjet recording device Dec. 4, 2007
7278795 Modular printhead assembly with opposed sets of serially arranged printhead modules Oct. 9, 2007
7267501 Image forming apparatus having a pickup roller for driving a discharge roller Sep. 11, 2007
7262786 Image aligning method for thermal imaging printer Aug. 28, 2007
7258500 Media processing apparatus and scanner unit Aug. 21, 2007
7229226 Display device having pagewidth printhead adjacent lower edge of housing Jun. 12, 2007
7217046 Double-sided print engine assembly May. 15, 2007
7201523 Print engine for a pagewidth inkjet printer Apr. 10, 2007
7198419 Apparatus and method of performing double-sided printing Apr. 3, 2007
7192207 Both-side recording apparatus and recording method Mar. 20, 2007
7179002 Thermal image forming apparatus Feb. 20, 2007
7181157 Duplex image forming device and reversible transportation unit Feb. 20, 2007
7114867 Both-side recording apparatus Oct. 3, 2006
7112000 Controlling a tape processing apparatus for embossing on a tape to be processed a recognizable braille and for printing ink characters Sep. 26, 2006
7093991 Combined printer and binder Aug. 22, 2006
7063013 Card-flipping device for use in card printers Jun. 20, 2006
6981809 Printing path having closely coupled media rollers and printhead Jan. 3, 2006
6966714 Duplex check printer having a separately driven document inverting loop Nov. 22, 2005
6916132 Double-sided printing apparatus Jul. 12, 2005
6908241 Card processing system with combined magnetic encoder and card flipper Jun. 21, 2005
6899480 Close coupled printhead and media rollers May. 31, 2005
6848844 Greeting card feeder module for inkjet printing Feb. 1, 2005
6830392 Printing apparatus Dec. 14, 2004
6820974 Inkjet printer incorporating a media tray assembly Nov. 23, 2004
6796732 Printing apparatus Sep. 28, 2004
6783225 Vacuum feeder for imaging device Aug. 31, 2004
6764236 Sheet guide device and image forming apparatus Jul. 20, 2004
6752549 Print engine for a modular commercial printer Jun. 22, 2004
6655862 Method for printing on transparent substrate in order to optimize later markability Dec. 2, 2003
6652089 Duplex inkjet printing system Nov. 25, 2003
6634815 Large format ink-jet color printer Oct. 21, 2003
6607320 Mobius combination of reversion and return path in a paper transport system Aug. 19, 2003
6607319 Image forming apparatus Aug. 19, 2003
6601952 Recording apparatus Aug. 5, 2003
6447113 Duplex inkjet printing system Sep. 10, 2002
6447182 Duplex check printer using a print mechanism pivoted between document paths Sep. 10, 2002
6350072 Printer with plural mode integral module for document handling print output and print duplex inversion Feb. 26, 2002
6341860 Duplex document printer mechanism Jan. 29, 2002
6318914 Card-reversing device for use in card printers Nov. 20, 2001
6299365 Duplex check printer using a check bending rotor Oct. 9, 2001
6296405 Duplex check printer using a print mechanism pivoted between document paths Oct. 2, 2001
6267518 Ink-jet printing apparatus and ink-jet printing method Jul. 31, 2001

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